Cog — A Century of Zoology in America. 381 



Journal of Experimental Zoology. It immediately took 

 its place in the front rank of American zoological period- 

 icals. Twenty-four volumes have been published. 



In spite of the constantly increasing number of 

 journals, the science grew faster than the means of pub- 

 lication. So crowded did the American journals become 

 that long delays often resulted before the results of an 

 investigation could be issued. This condition was met in 

 part by the sending of many papers to be published in 

 European journals (a necessity most discreditable to 

 American zoology) and in part by the establishment 

 ef additional means of publication. Of the latter the 

 Anatomical Record, now in its fourteenth volume, was 

 begun in 1906 for the prompt publication of briefer 

 papers on vertebrate anatomy, embryology and histology 

 and for preliminary reports and notes on technique. 



During the past few years has come a great advance in 

 the experimental breeding of plants and animals. Prob- 

 lems in heredity and evolution have taken on a new 

 interest since the importance and validity of Mendel's 

 discovery have been recognized. To meet this develop- 

 ment of biology the journal Genetics was begun in 1916 

 for the publication of technical papers, while the Journal 

 of Heredity, modified from the American Breeders Maga- 

 zine, is devoted to popular articles on animal and plant 

 breeding, and Eugenics. 



On the whole, the science of zoology is now assuming 

 a closer relation to practical affairs. Entomology, for 

 example, is now represented by the Journal of Economic 

 Entomology, of which 10 volumes have been issued since 

 1907. The Journal of Animal Behavior covers another 

 practical field of research. The Proceedings of the Soci- 

 ety for Experimental Biology and Medicine, starting in 

 1903, the American Journal of Physiology, and several 

 other publications cover the physiological field. Among 

 other important periodicals are the following : 



The Journal of Parasitology, established 1911, now in its 

 fourth volume, is devoted to the interests of medical zoology. 

 The Auk, now in the 34th volume of its new series (42d of 

 old series) is the official organ of the American Ornithologists 

 Union and is devoted to the dissemination of knowledge concern- 

 ing bird life. The Annals of the Entomological Society of 

 America, established in 1908, and now in its 10th volume, is one 

 of several important entomological journals. The Nautilus, of 



