Eric Wasmann, "Instinct and Intelligence in the Animal Kingdom." 

 James Johnstone, "The Philosophy of Biology." fj 



A. D. Darbishire, "An Introduction to a Biology and Other Papers. 

 Vernon L. Kellogg, "Darwinism Today." 



Wm. A. Locy, "Biology and Its Makers." 



H. F. Osborn, "From the Greeks to Darwin." 



C. E. and E. A. Bessey, "Essentials of College Botany." 



Bergen and Davis, "Principles of Botany." 



C. S. Gager, "Fundamentals of Botany." 

 Wm. C. Stevens, "Plant Anatomy." 

 Strasburgher's "Textbook of Botany." 



D. H. Campbell, "A University Textbook of Botany." 

 Coulter, Barnes, and Cowles, "Textbook of Botany." 



I. F. and W. D. Henderson, "A Dictionary of Scientific Terms." 



On Embryology 



F. R. Lillie, "The Development of the Chick." 

 W. E. Kellicott, "Chordate Development." 



B. M. Patten, "The Early Embryology of the Chick." 

 Prentiss and Arey, "Textbook of Embryology." 



On Comparative Anatomy 



G. C. Bourne, "An Introduction to the Study of Comparative Anatomy." 

 J. S. Kingsley, "Comparative Anatomy of Vertebrates." 



L. Vialleton, "Elements de Morphologie des Vertebres."^ 



Schimkewitch, "Lehrbuch d. vergl. Anatomie d. Wirbelthiere." 



H. H. Newman, "Vertebrate Zoology." 



H. W. Wilder, "History of the Human Body." 



Parker and Haswell, "A Textbook of Zoology." 



L. H. Hyman, "A Laboratory Manual for Comparative Vertebrate Anatomy." 



H. S. Pratt, "A Course in Vertebrate Zoology." 



Reighard and Jennings, "Anatomy of the Cat." 



Davison and Stromsten, "Mammalian Anatomy, with special .reference to the 



Cat." 

 O. C. Bradley, "A Guide to the Dissection of the Dog." 

 Hans Gadow, "Amphibia and Reptiles." 



B. F. Kaupp, "The Anatomy of the Domestic Fowl." 



C. J. Herrick, "An Introduction to Neurology." 

 Emil Villiger, "Brain and Spinal Cord." 



S. W. Ransom, "The Anatomy of the Nervous System." 



The author wishes at this point to thank all those who have assisted 

 him in any way. Thanks are due to Professors Wm. A. Locy, F. R. 

 Lillie, H. S. Pratt, C. W. Ballard, Dr. L. H. Hyman, and Mr. W. C. 

 Clute, and their publishers, as well as to Professor J. H. McGregor, 

 for permission to use various cuts from their published works. Credit 

 is given in the legend of each cut. Thanks are due Professors J. A. Bick 

 of Loyola University, Edward Menager of the University of Santa Clara, 

 Wm. Atwood of the Milwaukee Normal School, and Dr. Peter P. Finney 

 of the University of Dallas for reading much of the manuscript and 

 offering valuable suggestions. 



Thanks are due for detailed reading and technical criticism of the 

 manuscript to the following: Professor Richard A. Muttkowski, of the 

 University of Idaho, for going over the greater portion of the entire 

 manuscript; Dr. L. H. Hyman, of the University of Chicago, for going 

 over the portion devoted to "Comparative Anatomy" ; Professor Eben 

 J. Carey, of Marquette University, for going over the entire portion 



