Congress of Arts and Science: Biology. Anthropology. Psychology. Sociology

activity adaptation advance American animal anthropology archeology bacteria bacteriology become biology body botany branches cells century character characteristics checkers chromatin classification comparative anatomy complex conception consciousness culture Darwin definite determined direction diseases dissociated distinct ecology embryology environment evolution existence experience experimental psychology fact factors field function fundamental gametophyte genetic homology human human anatomy idea important individual influence interest investigation knowledge laws leaf Leipzig less living logy matter means ment mental methods mind morphology natural sciences natural selection object observation ology organs origin Origin of Species orthogenesis parasitic pathology phenomena philosophy phylogenetic plant physiology point of view possible practical present primitive principle problems produce Professor progress psychic question races regard relation rock pigeon scientific social society sociology somatology species spermatozoön sporophyte stage structure theory tion to-day University variation zoology