U. S. NATIONAL MUSEUM 



BULLETIN 36, PL. XV 



Fig. 1. Prodelphinusi I'ltphrosyne iGvAy). 

 (From Pucheran, Revue et Magasin de Zoologie, 2d series, viii, 1856, pi. 25. D. uim'ginafus.) 



c 





«it .*!# 



Fig. 3. Prodelpliinns euphrosyiie (Graj'l- 



(From Gray, Synopsis of Whales and Dolphins, 1868, pi. 22. 



Fig. 3. Pmtlrlpliiuits (j) Intcrctlis (Pealei. 



(From Peale U, S Exploring Expedition, Mammalogy and Ornithology, Atlas, pi. 8, fig. 1.1 



Genus PRODELPHINUS. 



