CATALOGUE OF THE CETACEA. 30 1 
Physeter macroeephalus. PI. xiv, xv. 
P. macroeephalus, Linn., S. N. i, 107. 
Catodon macroeephalus, Gray, 1871, p. 58. 
Catodon Colneti, Gray, 1866, p. 209. 
Sperm Whale, of authors. 
Ubiquitous in the warmer seas. 
A lower jaw, probably of a young animal, Mus. Cal. Acad., has 22 teeth on each side, for the 
most part sharply rjointed. 
Subfamily Kogiixm, Gill, p. 96. 
Genus Kogia, Gray. 
Kogia, Gray, Zool. E. and T., p. 22, 1846. 
Euphysetes, Wall, Hist. New Sperm Whale, pp. 50, 53, 1851. 
Kogia Floweri. 
K. Floweri, Gill, Am. Nat. iv, p. 738, fig. 167, 172, 1871. 
Mazatlan. 
Black above, yellowish white below, including the end of the snout. Nine feet long. Teeth 
long, slender, recurved, T ? T . Dorsal very low. Snout pointed and projecting beyond and above 
the mouth. Jaw and drawing from nature in Mus. S. I. 
Suborder Mysticete. 
Family Bal^nopterid.e, Gill, p. 97. 
Subfamily Agapiielin^, Gill, p. 97. 
Genus Rhachianectes, Cope. 
Machianectes, Cope, Proc. Phil. Acad. 1869, pp. 14, 15. 
Rhachianectes glaucus. PI. ii, fig. l ; p l. iii, fig. 1, 2; pi. v; baleen, p. 55. 
R. glaucus, Cope, 1. c, p. 17; Scammon, 1. c, p. 40, fig. 8. 
Agaphelus glaucus, Cope, 1. c, 1868, p. 225. 
California Gray Whale, of Scammon. 
Arctic Seas to Lower California. 
This species was originally described from specimens and notes obtained by me at Monterey, 
California, in January, 1866, and now in the Mus. S. I. A peculiar barnacle, Cryplolepas rhachi- 
anecti, Dall (pl. x, fig. 6), and the Cyamus Scammoni, Dall, (pl. x, fig. 1), appear to be restricted 
to this species. They are described in the Proc. Cal. Acad. Sci. 1872, vol. iv, pp. 281, 300. A 
skull collected by me at Monterey, California, is now in the collection of the Cal. Acad. Sci.,' and 
another in Mus. S. I. 
Subfamily Megapteeinje, Gill, p. 97. 
Genus Megaptera, Gray. 
Megaptera, Gray, An. Mag. N. H. 1864, pp. 207, 350; 1866, p. 117. 
