Mcrnam. — .Dcsrriptloiis of iXcw Bears from Xorth America: 187 
terior part of trontal shield; palate lonji;; s(piaiuosal shelf loiij;; laehrynial 
duct openino; on orbital si<le of orbital rim; mastoid proeess(‘s Ion*,'; 
interptery^oid tossa short and broad; lower jaw hm*;; eoronoi<l broad; 
ramus lon}j: and swolUm on onler side, d'eetb small, parfienlarly the 
canine.s and lower molars. 
Ursus cauriiius sp. nov. 
T;ipc from Berners Bay, east side Bynn Oanal, sontbeastern Alaska. 
9 ad., Xo. ITb.'till S. Nat. i\Ins., Biol. Survey ('oil. (.'olleebal June 
S, 1911, by .\. Ilasselbor^. 
Characters. —Size rather large; skull long and rather narrow; canines 
lf)ng, the lower ones massive; claws smoothly polished. 
Color. —lT[)perparts yellowish hud’; face and most of head pale hrowji 
or drab; ears, hump, and nnder])arts conspicuously darker; legs and feet 
dark brown or hrowiush black. 
(^raiiial characters. —Skull (both male and lemak') long and narrow, 
highly arched, moderately dished, frontal shield narrow, strongly ascend¬ 
ing posteriorly; ])OStorhital processes weak and decurved ; frontal part 
of l)raincas(‘elevated, forming an uplifted base for posterior part of frontal 
shield; palate long; ))ostpalatal shelf I’ather narrow; s(piamosal shelf 
long; lachrymal duct opening within orl>ital rim; ramns of jaw vertically 
flattened and broad. 
Compared ivith 'j)erragor: Frontal shield narrower; postpalatal shelf 
jiarrower; lower jaw and inferior border of ramus shorter; ramus Hatter 
on outer side and l)roader vertically; corouoid blade narrower and more 
falcaU'. Upper canines longer; lower canines conspicuously longer and 
larger; lower molars longer; heel of large lower premolar sloiting, without 
distinct i)OSterior cusplets. 
Ursus colusus sp. iiov. 
Tiip<‘ from SacraiiKMitf) River, (kdif. (probably from between ('olusa 
and Sacraiiiento). No. ikSdT old, U. S. Nat. kins. Collected by the 
AVilkes U. S. Exploring E.vpd. and marked “ C. R. Ex. Ex. h. Ki” (the 
numerals uncertain, there l)eing indication of a figure in front of the 
first h). The words “(Irizzly Bear, Sacramento ” are written on the 
right parietal in |)encil. 
Cranial c/iarac(er.s.—Skull of okl male large, long, and low—in general 
re.sembling larg(‘st skulls of californicus l)ut having very much smaller 
teeth and differing in numerous cranial characters. 
Compared with old male californicus from iNIonteri'y: fronto-uasal 
region and rostrum more de|)ressed; postorhitals much smaller and less 
swollen; orbital rims less swollen ; .sagittal crest longer; sipiamosal l)a,«e 
of zygoma le.ss expanded; palate broader anteriorly; ramus much less 
broad vertically; dentition weaker and strikingly different. The canines 
are too badly broken to adnut of .«atisfactory comparison, but obviously 
were .smaller; the upper incisors and both up{)er and lower molars are 
