78 CETACEA. 



Beluga leucas, Gray, Spic. ZooL 2, 1828. 



Physeter macrocephalus, var.? Catodoii, Fischer, Syn. 518. 



Balsena albicans, Klein, Miss. Pise. ii. 12. 



Delph. leucas, Pallas, Reise, iii. 92. t. 79; Gmelin, S. N. 1232; 



Desm. Mam. 519; ZooL Ross. Asiat. t. 32, ? ; Mem. JFmi. 



Soc. iii. 17, $ ; Cwu. Oss. Foss. v. t. 22. f. 5, 6; EeZZ, Brit, 



Quad. 491, fig. 



Beluga Catodon, Gray, ZooL Ereb. Sf Terror, 29. t. . f. 

 Catodon Sibbaldii, Fleming, B. A. 29, from Sibbald. 

 Small Catodon, Shaw, ZooL ii. 501. 

 Round-headed Cachalot, Penn. 

 Beluga borealis, Lesson. 

 Physeter macrocephalus /3, Gmelin, S. N. 

 De'lphinapterus Beluga, Lacep. Cetac. 243 ; Scoresby, Arct. Reg, 



i. 500, ii. 1. 14. 



Catodon albicans, Lacep. Cetac. 218. 

 Cetus albicans, Brisson, Reg. Anim. 359. 

 Albus Piscis Cetaceus, Rail Syn. Pise. 11. 

 Beluga, Shaw, ZooL ii. 515. t. 223. 



Delphinus albicans, 0. Fab. Faun. Green. 50; Bonnat. Cet.24. 

 Delphinapterus leucas, Gerard, Diet. Sci. Nat. vi. 65. 

 ? Dauphin blanc du Canada, Duham. Pesch. ii. x. 1. 10. 

 Delphinus Canadensis, Desm. Mam. 516, from Duham. 

 Inia? Canadensis, Gray, ZooL Erebus Sf Terror, t. 5. f. 1, from 



Duham. Drawing. 



OSTEOL. Cuv. Oss. Foss. v. 287- t. 22. f. 5, 6, head. 

 Inhab. North Sea. Greenland. Scotland, Sibbald. 



a. Skeleton. Length, 15 feet. Greenland. 



b. Skull. Greenland. Length, entire, 20 inches ; of beak, 9^ ; 

 width at notch, 6, at orbit, 1 J inch. 



c. Stuffed specimen. Greenland. 



d. A male specimen, 12^ feet long, 6 feet 8 inches in circum- 

 ference at the thickest part, called Keela luak by the Esquimaux. 



e. Skull. Eschscholtz Bay, Behring's Straits. Presented by 

 Captain Kellat, R.N. and Lieut. Wood, R.N. 



Length of skull b, entire, 21 inches ; of nose, 10 ; of tooth -line, 

 6J; width at orbit, 11|; at notch, 6f inches. 



Duhamel (tab. 10. f. 4) figured the front half of a Dolphin 

 under the name of Dauphin blanc du Canada, which Desmarest 

 has named Delphinus Canadensis. M. Blainville gave me a 

 tracing of the original drawing from which Duhamel engraved his 

 figure (which is engraved in the Zoology of the Erebus and Ter- 

 ror, t. 5. f. 1). The form of the beak and the absence of a distinct 

 dorsal fin induced me to believe that it might be a species of Inia ; 

 but from inquiries recently made in Canada, I have very little 



