102 URSIDH.—-URSUS. 
ENHYDRA. 
r . 3-3 : 1-1, 3-3 ; Bg ce 
Teeth :—Incisors =; Canines |; Premolars =; Molars =; ;=34. 
The Katan or Sra Orrer. Enhydra lutris. 
Lutra marina, Blainv., Ost. Atl. G. Mustela, z 24. pl. 8 (skull, young). 
t 
—Owen, Odont. pl. 128. fig. 12 (crown of the teeth). 
Cervical vertebre.... .......-- 7 
Dorsal cic piyacd airaaees a hive etn te 14 
Lumbar .c.c0isese.ee2 eaees 6 
Sacral ae ccax ese wh Gaeewedess 3 
Catidal ose saiks & oes Hd eee 18 
*qa, Skull: very young. California, Presented by Captain Sir 
Edward Belcher. : 
b. Skeleton: adult. California. From the Zoological Society’s 
Collection. 
c. Skull. California. Presented by J. H. Gurney, Esq., M.P. 
Fam. 2. URSID. 
URSUS. 
s —' a 1-1 4-4 2-2 
Teeth :—Incisors a Canines 5; Premolars (>; Molars [5 ;=42. 
The Musevau or American Buack Bear. Ursus americanus. 
Blatnv., Ost. Atl. G. Ursus, p. 28. pl. 5 (skulls, adult and young), pl. 12 
(dentition),—Cur., Oss. Foss. iv. p. 380. pl. 22 (skull).— Baird, 
Mamm. N. America, p. 226, pl.43. figs. 10-13, 1859.— Owen, Odont., 
Art. in Encycl. Brit. p. 462. fig. 109 (skull), fig. 110 (milk teeth). 
Cervical vertebre.............. iE 
DOPsall. Sis 0a5s east aeons acartea 14 
Bumbar ones eee aiem enews 6 
Saoral’ 22. daseedomee een Se 
Caudal cre2gceset sev as einsy (imperfect). 
a. Skull. Hudson’s Bay. From Dr. Mantell’s Collection. 
’. Skull. North America. 
¢. Skull: adult. North America. 
d. Skull. From Mr. Argent’s Collection. 
é. Skeleton. 
f. Skull: young. From M. Parzudaki’s Collection. 
g. Skeleton. } From the Zoological Society’s Col- 
h-j. Skulls: adult and young. lection. 
The Crynamon Bear. Ursus cinnamoneus. 
Cervical vertebra.......... ihe 
Dorsal ....... bok Rd caw L4 
