382 ZOOLOGY 



nata ; III. Embryology of the Turtle. Vol. 2. Boston : Little, 

 Brown & Co. 1857. 



To be obtained from dealers in second-hand books. 



Taylor, W. E.- -The Box-Tortoises of Xorth America. Proc. U. S. 

 National Museum, Vol. XVII., pp. 573-588. 1895. 



XIX. BIRDS 



Newton, Alfred, and Hans Gadow. A Dictionary of Birds. London : 

 Adam eSt Charles Black. 1893-1896. 



Coues, Elliott. - - Key to Xorth American Birds. Boston : Estes & 

 Lauriat. 1896. 906 pp. 



Ridgeway, R. A Manual of Xorth American Birds. 2d Ed. Phila- 

 delphia: J. B. Lippincott Co. 1896. 



Chapman, F. M. - - Bird Life. A Guide to the Study of our Common 

 Birds. Xew York : D. Appleton & Co. 1897. 



Parkhurst, H. E. --How to Xame the Birds. Xew York: Charles 

 Scribner's Sons. 



Wright, Mabel 0., and E. Coues. --Citizen Bird. With 111 illustra- 

 tions by L. A. Fuertes. Xew York : The Macmillan Co. 1898. 



Besides these are a score or more good books on American birds, 

 and guides to their study. The foregoing are representative. 



XX. MAMMALIA 



Flower, W. H., and Lydekker, R.--An Introduction to the Study 



of Mammals, living and extinct. London : Adam and Charles 



Black. 1891. 

 Lydekker, R. - - A Geographical History of Mammals. Cambridge 



Geographical Series. Cambridge (Eng.), at the University Press. 



1886. [The Macmillan Co., Xew York. Price lO.s. 6^/.] 

 Mivart, St. George. --The Cat. An Introduction to the Study of 



Backboned Animals. Xew York : Scribner's. 1881. 



XXI. DEVELOPMENT OF THE FROG 



Morgan, T. H. - The Development of the Frog's Egg : An Intro- 

 duction to Experimental Embryology. Xew York : The Mac- 

 millan Co. 1897. 



