Meridians; Meridian lines; Nautical information; North American datum; Oceanography; Orthometric correction; Parallels; Pendulum apparatus; Pinnacle rocks; Polar coordinates; Precise leveling; Principal facts of the earth's magnetism; Reconnaissance; Refraction; Sailing directions; Sea level; Secular change tables; Shoals; Shore line; Signal building; Spheroid; Spirit leveling; Star observations; Steel tapes; Surveys; Tapes; Terrestrial magnetism; Tides; Time; Topography; Triangulation (primary); Triangulation (secondary); Triangulation (tertiary); Trigonometric leveling; True bearings (at magnetic stations); True meridian (directions for determining); Variation of compass; Wire drag work.

Method of distribution of general publications.-All publications included under paragraph 2 are distributed free except coast pilots and inside route pilots, which are sold at the cost of paper and printing.

Annual and other periodical publications.-(a) Annual Report of the Superintendent of the U. S. Coast and Geodetic Survey. Free. The report is divided into three parts as follows: Part I outlines the functions of the bureau, the branches into which it is divided, their functions, what has been accomplished in the office during the year just passed, and the needs of the office. Part II deals with the urgent needs in the field and necessary expansion of the work. Part III is a detailed statement for the past year of accomplished field and office work of the bureau.

(b) General Tide Tables. Annual. The predicted time and height of the tide at the principal ports of the United States and at many foreign ports are given in these tables for every day of the year, with a table of differences, by means of which the times and heights at intermediate ports may be ascertained. Reprints of the tables for Atlantic and Pacific coasts of the United States are issued separately. General tide tables, 50 cents; reprints, 10 cents each. To be obtained from the Superintendent, U. S. Coast and Geodetic Survey, Washington, D. C., and the chart agencies of the Survey.

(c) Notice to Mariners. Weekly. Free. Published jointly with the Bureau of Lighthouses. Corrections to be applied to charts to keep them up to date, announcement of new charts, new editions of charts, charts canceled, editions canceled and of the various nautical publications of the survey are included in these notices.

List of publications.-The available publications of the bureau are included in the List of Publications of the Department of Commerce Available for Distribution, issued twice a year. A monthly list of the publications of the survey is included in the Monthly List of the Publications of the Department of Commerce.

Indexes to publications.-The List and Catalogue of the Publications of the U. S. Coast and Geodetic Survey, 1816 to August, 1908, inclusive, has been issued by the bureau. A new edition is in preparation for free distribution. Mailing lists.-Free mailing lists for the_publications of this bureau are maintained in the Division of Publicatons, Department of Commerce, as follows: No. 111, Annual Report; No. 112, Geodetic Publications; No. 114, Magnetic Publications; No. 115, Philippine Publications; No. 116, Hydrographic and Miscellaneous Publications.

Maps and charts.-Charts of the Coasts of the United States, the West Indies, Panama Canal Zone, Alaska, Hawaiian and Marianas Islands, Philippine Islands, Topographic Maps of the Philippine Islands. These charts and maps are sold at the cost of paper and printing.

Correspondence.-Address, Superintendent, Coast and Geodetic Survey, Washington, D. C.

BUREAU OF NAVIGATION.

Principal administrative officials.-Commissioner, Deputy Commissioner, Chief Clerk, Radio Inspector in Charge.

General information and duties.-The Bureau of Navigation is charged with general superintendence of the commercial marine and merchant seamen of the United States, except so far as supervision is lodged with other officers of the Government. It is specially charged with the decision of all questions relating to the issue of registers, enrollments, and licenses of vessels and the filing of those documents, with the supervision of laws relating to the admeasurement, letters, and numbers of vessels, and with the final decision of questions concerning the collection and refund of tonnage taxes. It is empowered

to change the names of vessels, and prepares annually a list of vessels of the United States. The commissioner also investigates the operation of the laws relative to navigation, and annually reports to the Secretary of Commerce such particulars as may in his judgment admit of improvement or require amend

ment.

In addition to the above statutory duties the bureau is charged, under direction of the Secretary of Commerce, with the enforcement, through collectors and surveyors of customs and radio inspectors, of the navigation and steamboat-inspection laws, and the laws governing radio communication, and the consideration of action to be taken on fines, penalties, and forfeitures incurred under those laws; administrative examination of accounts of collectors, surveyors of customs, and shipping commissioners covering fines, penalties, and forfeitures; services to vessels; navigation fees; amounts collected on account of decease of passengers, tonnage-tax collections, refunds; shipment and discharge of seamen, etc.

General publications.-(a) Radio Laws and Regulations of the United States. This publication includes the radio laws of the United States, the London Radiotelegraphic Convention, regulations applying to the radio laws and the convention, and general radio information.

(b) Important Events in Radiotelegraphy. This is a brief history of the development of radiotelegraphy and of the radio service and shows the value of radio as a safeguard to life at sea.

Method of distribution of general publications.-The Radio Laws and Regulations is sold at 15 cents per copy and the Important Events in Radiotelegraphy is sold at 5 cents per copy.

Annual and other periodical publications.-(a) Report of the Commissioner of Navigation. This publication contains a general review of the effect of the various laws upon merchant shipping; a résumé of the work of the Bureau of Navigation; detailed statistics of the American merchant marine and statistics of the merchant marines of the principal maritime countries of the world.

(b) List of Merchant Vessels of the United States. This publication contains the names in alphabetical order and other data of all merchant vessels of the United States, and also of vessels of the various branches of the Government, together with a list of vessels lost during the year. (Confidential.)

(c) Seagoing Vessels of the United States. This publication contains the names of merchant vessels, yachts, and Government vessels, arranged in the order of their signal letters; the names and addresses of the owners of the merchant vessels; the names of all merchant vessels, yachts, and Government vessels equipped with radio apparatus together with their call letters; lists of radio stations; flags of the principal maritime nations; and flags and pennants used in the international code. (Confidential.)

(d) Radio Stations of the United States. This list includes the names of land radio stations, special radio stations, and amateur radio stations, together with the call letters of each station and other information of value to radio operators. (Confidential.)

(e) Navigation Laws of the United States. Published once in four years, and contains the existing laws relating to shipping. A supplement is issued at the end of each session of Congress.

(f) Radio Service Bulletin. This bulletin is issued monthly and is a supplement to the Radio Stations of the United States. It contains the names of new stations, alterations and corrections in old stations, amendments to the regulations and other matter of general interest. (Suspended during the war.) Method of distribution.-(a) Radio Laws and Regulations of the United States, and (d) Radio Stations of the United States, are distributed partly free and partly sold; (b) List of Merchant Vessels of the United States, and (c) Seagoing Vessels of the United States, partly free and partly sold.

(e) Navigation Laws of the United States is distributed partly free and partly sold. The price for the 1915 edition is $1.00 and 5 cents for each supplement.

(1) Radio Service Bulletin is sold at 5 cents per copy or annual for 25 cents. Correspondence. All requests for publications which are distributed free should be addressed to the Commissioner of Navigation and for publications for which there is a charge to the Superintendent of Documents, Government Printing Office.

STEAMBOAT-INSPECTION SERVICE.

Principal administrative officials.-Supervising Inspector General, Chief Clerk.

General information and duties.-The Steamboat-Inspection Service is charged with the duty of inspecting vessels, the licensing of the officers of vessels, and the administration of the laws relating to such vessels and their officers for the protection of life and property.

The Supervising Inspector General and the supervising inspectors constitute a board that meets annually at Washington and establishes regulations for carrying out the provisions of the steamboat-inspection laws.

General publications.— (a) Laws Governing The Steamboat-Inspection Service, (Form 800). Topics: Inspection; Vessels subject to inspection; Appointment of Supervising Inspector General, supervising inspectors, local inspectors and clerks to local boards; Board of Supervising Inspectors; Inspection of hulls, boilers and machinery; Life-saving equipment and fire apparatus required on vessels; Licensing of officers of vessels; Transportation of passengers and merchandise; Manning of inspected vessels, number of passengers allowable; Carriage of certain dangerous articles prohibited on passenger steamers; fire extinguishers and other fire-fighting equipment required on vessels; Lifeboats and life rafts required on vessels; Penalty clauses; Regulation of commerce and navigation; State regulation of pilots; No discrimination in rates of pilotage: Transportation of passengers and merchandise; Transportation of nitroglycerine and other dangerous articles; Liability of masters, etc., as carriers; An act to regulate the carriage of passengers by sea; Summary trial for certain offenses against navigation laws; Remission of fines, penalties, and forfeitures; Amendatory acts of Congress; Boundary lines of the high seas; Motorboat act of June 9, 1910; Seaman's act of March 4, 1915.

(b) General Rules and Regulations Prescribed by the Board of Supervising Inspectors, Ocean and Coastwise. (Form 801 A.) Rules governing the inspection of hulls, boilers, and equipments of ocean and coastwise vessels coming under the jurisdiction of the Steamboat-Inspection Service, and relating to licensed officers of such vessels.

(c) General Rules and Regulations Prescribed by the Board of Supervising Inspectors, Great Lakes. (Form 801 B.) Rules governing the inspection of hulls, boilers, and equipments of vessels navigating the Great Lakes and coming under the jurisdiction of the Steamboat-Inspection Service, and relating to licensed officers of such vessels.

(d) General Rules and Regulations Prescribed by the Board of Supervising Inspectors, Lakes other than the Great Lakes, Bays, and Sounds. (Form 801 C.) Rules governing the inspection of hulls, boilers, and equipments of vessels navigating lakes other than the Great Lakes, bays, and sounds, and coming under the jurisdiction of the Steamboat-Inspection Service, and relating to licensed officers of such vessels.

(e) General Rules and Regulations Prescribed by the Board of Supervising Inspectors, Rivers. (Form 801 D.) Rules governing the inspection of hulls, boilers, and equipments of vessels navigating rivers and coming under the jurisdiction of the Steamboat-Inspection Service, and relating to licensed officers of such vessels.

(f) Pilot Rules for Certain Inland Waters of the Atlantic and Pacific Coasts and of the Coast of the Gulf of Mexico. (Form 804.) Act of June 7, 1897. To adopt regulations for preventing collisions; Boundary lines of the high seas; Pilot rules for vessels passing each other; Rules for lights to be carried by various kinds of vessels; Rules prohibiting unnecessary sounding of steam whistle; Motor-boat act of June 9, 1910; Act of September 4, 1890, in regard to collisions at sea; Regulations for tows of seagoing barges within inland waters.

(g) Pilot Rules for the Great Lakes and Their Connecting and Tributary Waters. (Form 808.) Pilot rules for vessels passing each other; Rules for lights to be carried by various kinds of vessels; Rule prohibiting unnecessary sounding of the steam whistle; Act of February 8, 1895, To Regulate navigation on the Great Lakes and their connecting and tributary waters; Motor-boat act of June 9, 1910.

(h) Pilot Rules for the Rivers Whose Waters Flow Into the Gulf of Mexico and Their Tributaries and the Red River of the North. (Form 806.) Phot rules for vessels passing each other; Rules for lights for various kinds of vessels; Rule prohibiting unnecessary sounding of the steam whistle; Sections of

the Revised Statutes of the United States and acts of Congress relating to the navigation of vessels on the Red River of the North and rivers emptying into the Gulf of Mexico and their tributaries; Motor-boat act of June 9, 1910; Boundary lines of certain inland waters.

Method of distribution of general publications. All of the publications included noted above are distributed free, through office of Steamboat Inspection Service.

Annual and other periodical publications.-(a) Annual Report of the Supervising Inspector General, Steamboat Inspection Service, to the Secretary of Commerce, fiscal year. Distributed free.

(b) List of Officers of Merchant Steam, Motor, and Sail vessels Licensed, each fiscal year. (Discontinued.)

List of publications.-A list of publications of the Steamboat-Inspection Service available for distribution is published semiannually in the List of Publications of the Department of Commerce available for distribution, and in supplementary ist entitled Monthly List of Publications issued by the Department of Commerce.

Mailing lists.-Free mailing lists for all of the publications named under General publications and Annual and periodical publications are maintained, it being the endeavor of this bureau to place on such lists only the names of individuals requiring the publications.

Maps.-No maps are published by this service.

Correspondence.-Requests for the publications should be addressed to Supervising Inspector General, Steamboat-Inspection Service, Washington, D. C. Copies of the laws, general rules and regulations, and pilot rules can be obtained from boards of local inspectors, Steamboat-Inspection Service, at ports where located.

PART X.-DEPARTMENT OF LABOR.

(For location of department and bureaus, see page 190.)

Principal administrative officials.-Secretary of Labor, Assistant Secretary, Solicitor, Chief Clerk, Disbursing Clerk, Chief of Division of Publications and Supplies, Appointment Clerk, Executive Clerk, Division of Conciliation,

General information and duties.-The Secretary of Labor is charged with the duty of fostering, promoting, and developing the welfare of the wage earners of the United States, improving their working conditions, and advancing their opportunities for profitable employment.

He has power under the law to act as mediator and to appoint commissioners of conciliation in labor disputes whenever in his judgment the interests of industrial peace may require it to be done.

He has authority to direct the collecting and collating of full and complete statistics of the conditions of labor and the products and distribution of the products of the same and to call upon other departments in the Government for statistical data and results obtained by them and to collate, arrange, and publish such statistical information so obtained in such manner as to him may seem wise.

His duties also comprise the gathering and publication of information regarding labor interests and labor controversies in this and other countries; the supervision of the administration of the act of Congress providing for the payment of compensation to artisans or laborers of the United States injured in the course of their employment; the supervision of the immigration of aliens, and the enforcement of the laws relating thereto, and to the exclusion of Chinese; the direction of the administration of the naturalization laws; and the direction of the work of investigating all matters pertaining to the welfare of children and child life, and to cause to be published such results of these investigations as he may deem wise and appropriate.

The Assistant Secretary performs such duties as shall be prescribed by the Secretary or may be required by law. He acts as the Secretary of Labor in time of absence of the Secretary.

Annual and other periodical publications.—(a) Annual Reports of the Secretary of Labor for 1913, 1914, 1915, 1916, and 1917.

(b) Annual Reports of the Department of Labor (report of the Secretary and reports of the bureaus consolidated) for 1913, 1914, 1915, and 1916.

(c) Annual Report of the Chief, Division of Publications and Supplies, for 1914, 1915, 1916, and 1917.

These are distributed free as long as available.

List of publications.-A list of publications of all bureaus is published semiannually and is distributed free. No monthly list is published.

Mailing lists.-Mailing lists are maintained for free distribution of above publications.

Maps.-Maps are published only when necessary for use in connection with publications, and then are attached and form a part and are distributed free with other publications.

Correspondence.-Requests for above publications should be addressed Chief, Division of Publications and Supplies, Department of Labor, Washington, D. C.

SOLICITOR FOR THE DEPARTMENT OF LABOR.

Publications of the solicitor.-The only publication available for distribution is the Opinions of Solicitor. U. S. Department of Labor, on Workmen's Compensation (under act May 30, 1908), 1 volume, April, 1915. The volume includes topics on the subject of compensation for injured United States employees under the act of May 30, 1908 (35 Stat., 556), as follows: Employment by the United States of artisan or laborer; Manufacturing establishments; Arsenals; Navy yards; River and harbor works and fortifications; Hazardous work in connection with the Reclamation Service; Isthmian Canal Commission;