102 URSID.E. URSUS. . 



ENHYDEA. 



Teeth :— Incisors || : Canines £j ; Premolars || ; Molars ^ ;=34. 



The Kalan or Sea Otter. Enhydra lutris. 



Lutra' marina, Blainv., Ost. Atl. G. Mustela, p. 24. pi. 8 (skull, youug). 

 —Owen, Odont, pi. 128. fig. 12 (crown of the teeth). 



Cervical vertebrae 7 



Dorsal 14 



Lumbar 6 



Sacral 3 



Caudal 18 



*a. Skull : very young. California. Presented by Captain Sir 



Edward Belcher. 

 /*. Skeleton: adult. California. From the Zoological Society's 



Collection. 

 c. Skull. California. Presented by J. H. Gurney, Esq., M.P. 



Fam. 2. URSI4XE. 

 UKSUS. 



Teeth: — Incisors^; Canines ^-j ; Premolars^; Molars^; =42. 



The Mtjsqttau or American Black Bear. Ursus americanus. 



Blainv., Ost. Atl. G. Ursus, p. 28. pi. 5 (skulls, adidt aud young), pi. 12 

 (dentition).— Cm\, Oss. Foss. iv. p. 380. pi. 22 (skull).— Baird, 

 Mamm. N. America, p. 225. pi. 43. figs. 10-13, 1859.— Owen, Odont., 

 Art. in Encycl. Brit. p. 462. fig. 109 (skull), fig. 110 (milk teeth). 



Cervical vertebra? 7 



Dorsal 14 



Lumbar 6 



Sacral 3 



Caudal (imperfect). 



a. Skull. Hudson's Bay. From Dr. Man toll's Collection. 



b. Skull. North America. 



c. Skull : adult. North America. 



<!. Skull. From Mr. Argent's Collection. 



e. Skeleton. 



/. Skull : young. From M. Parzudaki's Collection. 



cj. Skeleton. "1 From the Zoological Society's Col- 



h-j. Skulls : adult and young. J lection. 



The Cinnamon Bear. Ursus cinnamoneus. 



Cervical vertebra; 7 



Dorsal 14 



