290 APPENDIX. 
Genus Lagenorhynchus, Gray. 
Lagenorhynchus. Gray, Zobl. E. and T., 1846, p. 34 ; 1850, p. 97. 
Section Electro, Gray. 
Eleclra, Gray, 1866, p. 268; 1871, p. 76. 
Lagenorhynchus electra. 
L. electra, Gray (1846), 1866, p. 268. 
Electra oblusa, Gray, 1868, p. 7, pi. 13; 1871, p. 76. 
Habitat? 
Skull, 17.5 inches; beak, 9.75 inches; width at notch, 5.5 inches. Teeth, ff, four in an inch. 
Skull only, B. M. 
Lagenorhynchus asia. 
L. asia, Gray, 1866, p. 269. 
Electra asia, Gray, 1868, p. 7, pi. 14; 1871, p. 76. 
Habitat? 
Skull, 16.75 inches; beak, 9 inches; width at notch, 4.75 inches. Teeth, ff. Skull only, 
B. M. 
Lagenorhynchus clanculus. 
L. clanculus, Gray, 1866, p. 271. 
Electra clancula, Gray, 1868, p. 7, pi. 35 ; 1871, p. 77. 
South Pacific, New Zealand. 
Skull, 14.5 inches; beak, 7.25 inches; width at notch, 4.75 inches. Teeth, ||. Skeleton and 
skulls, B. M. 
Lagenorhynchus thicolea. 
L. thicolea, Gray, 1866, p. 271. 
Electra thicolea, Gray, 1868, p. 7, pi. 36; 1871, p. 77. 
West coast of North America. 
Skull, 14.5 inches; beak, 8.33 inches; width at notch, 3.9 inches. Teeth, £|? Skull only, 
B. M. 
Compare Clymenia crolaphisca, Cope. This is very likely to be one of the species described 
from drawings by Peale. 
Section Leucopleurus, Gray. 
Leucopleurus, Gray, P. Z. S. 1866, p. 216; 1868, p. 7; 1871, p. 78. 
Lagenorhynchus obliquidens. Plate xix, fig. 2. 
L. obliquidens, Gill, Proc. Phil. Acad. 1865, p. 177. 
Delphinus obliquidens, Cope, Proc. Phil Acad. 1869, p. 21; Gray, 1871, p. 69. 
Striped or Common Porjioise of Scammon. 
California. 
Not the "Bottle-nosed Grampus" of Scammon, as supposed by Cope, he. cit. 
■ I have been able to identify this species by means of photographs of Professor Gill's typical 
specimen, which were kindly sent me by Professor Baird. It differs, however, in some particulars, 
from those I have examined. The skull is a little larger and longer, the pterygoids are less 
pointed, the temporal fossa smaller, and the edges of the triangle are higher and more extended 
