222 Dr. J. Hector's List of the Bonos of Seals and Whales 



sentativc of the Right Whale in the Arctic Sea, and, judging 

 from the length of the head, cannot he more tlian 14 or 15 feet 

 long, while the Greenland whale ia from 50 to G5 feet long. — 

 J, E. G.] 



2. Glohiocephalus macrorhynchuSy Gray, ihid. p. 320. 



Two skulls, one in longitudinal section ; one lower jaw ; 

 six cervical, four lumbar, thirteen caudal vertebra? ; two sca- 

 pula?; two liyoids. Both skulls are of the same dimensions : — 



inches. 



Length 2(> 



Length of nose 15 



Length of tooth-serioa 8 



Length of lower jaw 15 



(This is of a ditfercnt individual.) 



Width at notch 11 



„ orbit 17 



"Width of intermaxillary at blow-hole .... 7-5 



Width at middle of nose 9-5 



Height at occiput 14 



Scapula, transverse diameter 15 



„ longitudinal diameter 12 



Hyoid arch 11 inches wide by 7 inches high. 



Sternum 10x7 inches — with three sternal ribs, each 7 inches 

 long. 



The first rib is 10 inches from head to tip, but is bent with 

 an arch of 5 inches. • 



The atlas, axis, and three other cei-vicals are anchylosed. 

 The compoimd cervieals have a conjoined length of 4 inches. 

 Vertical diameter of foramen magnum 2^ inches. Conjoined 

 length of the four lumbars 8 inches ; height, including spinous 

 processes, 8*5 inches. Caudal apparatus, of thirteen segments, 

 16 inches ; two of these are anchylosed. Teeth |5|. 



.S. Berardius Arnuxii, Duvernoy ; Gray, ihid. p. 348. 



Skull and lower jaw, a cervical vertebra, scapula, hyoid, 

 paddles, and pelvic bones of one individual. 



Single tooth of another individual, weight 206 grains. 



inches. 



Length of head 23-5 



„ nose 15 



„ dental groove 7 



„ lower jaw 19 



Width at notch 5-5 



„ orbits 95 



Width of intermaxillary at blow-holes .... 4-5 



,, nose 2 



Height at occiput 9-6 



