CATALOGUE OF THE CETACEA. 303 



Physalus? I-wasi. 



P. Iwasi, Gray, 1850, p. 42; 18GG, p. 1G3. 



Balwnoptera ardica, Schlegel, Paim. Jap. Mamm. 26, pi. 30. 



Japan. 



Black; sides, white spotted; belly, white. Length, 25 feet. Described from Japanese accounts 

 and drawings. No specimens. 



To the above senseless additions to the catalogues may be added the following names, applied 

 to Chinese drawings, Japanese clay models, Aleutian wooden carvings, and similar trash, by authors 

 of scientific reputation : 



Balmnoptera punciulata, B. nigra, B. cKridescens, B. macidala, Balcena lumdaia, and B. Japonica, 

 Lacepede, Mem. du Mus., iv, p. 473; from Chinese drawings. 



Balcena agamadwchik (!), B. kaliomok, Aleutian Islands, and B. tschieLaghik, Kamchatlva, Cham. 

 Nov. Act. Curs. 259, Pallas, Zool. Koss, Asiat. i, 289. These are from Aleutian models in wood. 

 They should be entirely expunged; but the B. kaliomok, or cidlamaclt, has obtained to some extent 

 an entrance into scientific literature, vide Balcena Sieboldii. 



Bcdcena australis, Temm. Faun. Jap., pi. 28-29. Japan. Described from clay model. No 

 si:)ecimens. 



Genus Balsenoptera, Gray. 



Bakenoptera, Gray, 18G6, pp. 114, 18G ; 18G8, p. 3; 1871, p. 5G. 



Balsenoptera velifera. PI. ii, fig. 2. 



B. velifera. Cope, Proc. Phil. Acad. 18G9, p. 18; Scammon, 1. c, p. 53, fig. 9, 10. 

 Finback, of Scammon ; Oregon Finner. 



Oregon and California. 



Brownish black; belly, white. Described from baleen and Scammon's descrij^tions. Baleen, 

 Mus. S. I. 



Balaenoptera velifera, var. borealis. Outline figiue, p. 37. 



Northern Seas and Aleutian Islands. 



The form found in the more northern waters is distinguished, according to Captain Scammon, 

 by a larger and higher dorsal fin. I observed many of them, during the summer of 1872, in the 

 Shumagin Islands. In some individuals the flukes were black; in others, white below; and in a 

 few the white extended above over the external 2i'5iuts of the flukes. Those of Oregon appear to 

 have a dorsal intermediate in size between the northern and the small -flnned southern forms. 



Balaenoptera Davidsoni. PI. vii, fig. 2. 



B. Davidxoni, Scammon, Proc. Cal. Acad. Sci. iv., p. 269. (Printed in advance, October 

 4th, 1872.) 



Admiralty' Inlet and Straits of Fuca. 



Small, closely resembling the B. rostrata of the North Atlantic. Described from measurements 

 and drawings taken from the animal by Cajstain Scammon. Skull in Mus. S. I. 



A skull and jaws of a small Bcdcenoptera of unknown locality, presented by Mr. Meriill, are in 

 the Mus. Cal. Acad. It evidently was an adolescent individual, but a^ number of facts tend to 

 confirm the opinion that it is of this species. The ex-occipitals are wanting, having been removed, 

 probably to clean out the brain cavity. The supra -occipital is c^uadrate. The two anterior sides 

 measure along the suture ten and a half inches ; the posterior sides, six and a half inches ; the 

 anterior angle is bluntly rounded. Above, in front, the bone is very slightly impressed ; behind, 

 slightly convex; but, on the whole, is flattened. There is no median ridge or groove. The prin- 

 cipal feature of the upper aspect of the skull is the wide narial opening ; the very narrow premaxillse 



