U. d. NATIONAL MUSEUM 



BULLETIN 36, PL. XXIX 



Fig. I. Lagenorhynchus obscurus (Grsiy). 

 (From Gray, Spicilegia Zoologica, 1828, pi. 2, fig. 3.) 



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Fig. 2. Lagenorhynchus obscurus (Gray). 

 (From Gray, Synopsis of the Whales and Dolphins, 1868, pi, 16,) 



Genus LAGENORHYNCHUS. 



