ILLUSTRATIONS AND THEIR SOURCES 309 



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Figure Page 



286. Polycentrus schomburgki. Photograph by the Author 280 



287. Scatophagus argus. Photograph by the Author 280 



288. Badis badis. Photograph by the Author 281 



289. Tetraodon fluviatilis. Owned by Franklin Barrett. Photograph from Life by 



the Author 281 



290. Melanotaenia nigrans. Photograph by the Author 282 



291. Malaptcrurus clcctricus. After German Print 282 



292. Pimrtodclla gracilis. Photograph by the Author 283 



293. Cory dor as undulatus. Photograph by the Author 283 



294. Hypostomus species. Owned by J. L. Troemner. Photograph from Life by 



the Author 283 



295. Dormitator macidatus. Photograph by the Author 284 



296. Euchoristopxis barbarus. After German Print 284 



296a. Notropis lutrensis. Natural color photograph by the Author 284a 



297. Fairmount Park Aquarium, Philadelphia. Photograph by the Author 299 



298. Interior, Battery Park Aquarium, New York. Photograph by Elwin R. 



Sanborn 299 



299. Shedd Aquarium, Chicago 200 



300. Steinhart Aquarium, San Francisco 300 



