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 North 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 & Charles Black. 1893-1896. 



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

 Lauriat. 1896. 906 pp. 



Ridgeway, R. A Manual of North 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. New York : D. Appleton & Co. 1897. 



Parkhurst, H. E. How to Name the Birds. New York : Charles 

 Scribner's Sons. 



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

 tions by L. A. Fuertes. New 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., New York. Price lO.s. 6</.] 

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



Backboned Animals. New 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. New York : The Mac- 

 millan Co. 1897. 



