



APPENDIX. 





I. TEXT AND REFERENCE BOOKS. 



The following illustrated works are the most generally 

 useful : 



Bourne, Gilbert C. 1909. An Introduction to the Comparative Anat- 

 omy of Animals. Vol. I. George Bell and Sons, London. 



Ditmars, Raymond L. 1905. The bat'rachians of the vicinity of New 

 York City. American Museum of Natural History, Guide Leaflet 

 No. 20. 



Ecker, A. 1889. Anatomy of the Frog. Translated by George Haslam. 

 Clarendon Press, Oxford. 



Ecker und Wiedersheim. 1896-1904. Anatomic des Frosches, auf 

 Grund eigener Untersuchungen durchaus neu bearbeitet von Dr. 

 Ernst Gaupp. Braunschweig, Friedrich Vieweg und Sohn. 



Gadow, Hans. 1901. Amphibia and Reptiles. Vol. VIII of the Cam- 

 bridge Natural History. The Macmillan Co., New York. 



Holmes, S. J. 1907. The Biology of the Frog. The Macmillan Co., 

 New York. 



Marshall, A. Milnes. 1912. The Frog: An Introduction to Anatomy, 

 Histology and Embryology. The Macmillan Co., New York. 



Mivart, St. George. 1881. The Common Frog. The Macmillan Co., 

 New York. 



II. PURCHASE OF MATERIAL AND EQUIPMENT. 



Rana pipiens is the species of frog usually furnished by 

 dealers, under the name " grass frog' or "leopard frog." 

 The larger the frogs the better, especially in case the arteries 

 are to be injected. A few large bullfrogs (Rana catesbiana) 

 are valuable for permanent preparations. Material and 

 teaching accessories may be obtained from the following 

 sources : 



A. A. Sphung, North Judson, Indiana. (Live frogs.) 



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