The Popular Science Monthly, Volume 14

action American animal appears backgammon become body brain called carbon carbonic acid cause cerebellum character chromatic circle color Darwinism diaphragm doctrine edition effect electric energy English existence experiments fact faculties feet force give glaciers Greek heat higher human ideas inch labor lancets language larvæ lecture less light lines living matter means ment mental meteor systems metric system millimetres mind motion muscles natural selection nature nerves object observed organs origin orycteropus oxygen passed patolli phenomena phrenology physical plants practical present principle produced Prof Professor published question reflex action regard scientific seen side social sociology solar species spectrum substance supposed surface temperature theory thing thought tion Trinity House typhoid fever vibrations whole words