 Insects and birds have been carefully classified according to their several species; their habits of feeding have been closely observed, and the results ascertained and computed. It has been concluded that by no agency save that of little birds can the...  Report - Page 308by New Hampshire. Department of Agriculture - 1873Full view - About this book
 | Industrial arts - 1862 - 448 pages
...closely observed, and the results ascertained and computed. It has been concluded that by no agency save that of little birds can the ravages of insects be kept down. There are some birds which live exclusively upon insects and grubs, and the quantity which they destroy... | |
 | Industrial arts - 1862 - 446 pages
...closely observed, and the results ascertained and computed. It has been concluded that by no agency save that of little birds can the ravages of insects be kept down. There are some birds which live exclusively upon insects and grubs, and the quantity which they destroy... | |
 | United States. Congress. Senate - United States - 1862 - 1092 pages
...closely observed, and the results ascertained and computed. It has been concluded that by no agency save that of little birds can the ravages of insects be kept down. There are some birds which live exclusively upon insects and grubs, and the quantity which they destroy... | |
 | 1862 - 476 pages
...closely observed, and the results ascertained and computed. It has been concluded that by no agency save that of little birds can the ravages of insects be kept down. There are some birds which live exclusively upon insects and grubs, and the quantity which they destroy... | |
 | Edmund Morris - Agriculture - 1865 - 276 pages
...closely observed, and the results ascertained and computed. It has been concluded that by no agency, save that of little birds, can the ravages of insects be kept down. There are some birds which live exclusively upon insects and grubs, and the quantity which they destroy... | |
 | Edmund Morris - Agriculture - 1864 - 266 pages
...closely observed, and the results ascertained and computed. It has been concluded that by no agency, save that of little birds, can the ravages of insects be kept down. There are some birds which live exclusively upon insects and grubs, and the quantity which they destroy... | |
 | Industrial arts - 1865 - 458 pages
...closely observed, and the results ascertained and computed. It has been concluded that by no agency save that of little birds can the ravages of insects be kept down. There are some birds which live exclusively upon insects and grubs, and the quantity which they destroy... | |
 | New Hampshire. Department of Agriculture - Agriculture - 1873 - 712 pages
...minutely experimented for several years, comes to the conclusion from his researches : " Birds are in general far more useful than hurtful to the agriculturist,...earth will speedily become a wilderness, a waste, a deseit. PROPEH RALANCE NECESSARY. would destroy the products of his fields and his flocks. He cannot... | |
 | Edmund Morris - Agriculture - 1905 - 284 pages
...closely observed, and the results ascertained and computed. It has been concluded that by no agency, save that of little birds, can the ravages of insects be kept down. There are some birds which live exclusively upon insects and grubs, and the quantity which they destroy... | |
 | Education - 1861 - 806 pages
...interesting abstract of the Report presented by these gentlemen i—" It has been concluded that by no agency save that of little birds can the ravages of insects be kept down. There are some birds which live exclusively upon Insects and grubs, and the quantity which they destroy... | |
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