Seport U. S. F. C. 18^3.— True. Cietaceana. 



PLATE II 



4. SotaUaJlni'iatllis,{Gerya,is). River Dolphin. 

 Length, 5 feet. (After GerVais.) 



5. Steno jyerspicillatus, 'Peters. Lont^-bealiecl Dolphin. 

 Length, 8 feet. (?) (After Peters.) 



6. Tursiops tursio, (Bonnaterre) Van Ben. and Gervais. Common Bottle- 



noso Dolphin. 

 Length, 11 feet. (After Flower.) 



GENERA OF CETACEANS. 



