100 BULLETIN 30, UNITED STATES NATIONAL MUSEUM. 



The skull also agrees ia many points with L. ohscunis, as Professor 

 Flower Las stated, and it is not at all impossible that the skulls now 

 distributed among the three species, ohscurus, ohliquiden.s, ana similis, 

 rei)resent only the individual variations of a single species. 



Ta1)le of measurements 

 LAGENORHYNCHUS OBLIQUIDENS. 



LAGENORHYNCHUS ELECTRA Gray. 



LageiiorhynchuselecU'a, Gray, Zool, Erebus and Terror, 184G, p. 35, pi. 13. 



Lagenorhynchus asia, Gray, Zool. Erebus aud Terror, 184G, p. 35, pi. 14. 



Electra obtusa, Gray, Synopsis, 18G8, p. 7. 



VeJphinits (Lagenorhynchus) fusiformis, Owe«,Traus. Zool. Soc., Loudon, vi, 18GG, 



p. 22, pis. V, fig. 1 (animal) ; vii, figs. 1-5 (skull). 

 I'hocwna pectoralis, Fea\i',Manim. aud Oruitb. U. S. Explor. Exped., 1st ed.,1848, 



p. 32; Atlas, pi. vi, fig. 1 (auimal). 

 Delphinus pecforalis, Cassiu, Manini. and Ornitb. U. S, Explor. Exped., 2d ed., 



1858, p.28, pl.v, fig.2(auinial). 



