Merrhiin — Dr.^cri'pdoiis of AVir Bears frovi Awili America r 
11)3 
(Jranial cliaracturs oi old male (typo, from llliie River, (Colorado; and a 
el(_)sely similar old male from Sahille Hole, Laramie(t)., southeast Wyom¬ 
ing, a little noilli of ('lu'yemu'). — Si/i‘ largi'; fronto-nasal regio]i high and 
rather narrow; rostrum rather long, narrow and ^IruiKjh/cunipresst'd in 
front of orbits; face long-sloiiing ; frontal shii'ld Hat, short-|iointeil, 
slightly snleate (H- depri'ssed medially; shield ami nasals in essentially 
same plaiu^ except that anteri<jr third of nasals is slightly n[)turned ; post- 
orbital proeessc's large, outstanding, and hhmt; orbital rims prominent; 
sagittal crest long, high posteriorly; temporal impressions short, incurved, 
beaded ; zygomata strongly outbowed, scpiarely si)reading |)osteriorly ; 
lachrymal duct slightly notching orbital rim (not squarely on rim as in 
most skulls from the region); s(piamosal shelf sliort, arched over meatus, 
the free edge thickened or everted ; palate and })ostpalatal shelf moderate, 
rather narrow for so large a skull ; mastoids long, divergent. .Molars 
usually rather large. 
Immaturi' males of bairdi, up to at least the oth or Hth year, have 
i-ather narrow convex frontal shields with weak decnrved postorbital 
processes, and may be recognized at once by the form of the frontt)-nasal 
n*gion, which is fiigk, narroic and stronglu 'pinched in immediately in 
front of the orbits. 
Old male bairdi compared iuith old male horribilis : Size somewhat 
smaller; fi'ontal shiehl Hatter and slightly narrower; fronto-nasal region 
elevated ( nev(‘r dished or snleate betwemi orbits); base of rostrum much 
more compressed latei'ally in fi'ontof orbits; palah'shorter and nai'rower ; 
mastoids longer and more diverg(mt; meatus tulu^ broadly rounded and 
free (not compressed between mastoid and glenoid); lower jaw as a 
whole shorter; ramus more swollen on outer side under m 2 and 1113; 
inferior border of ramus shortei' and less upturned. Teeth smaller; 
m ' and ni ' together (>2 insti'ad of HO ; m' le.ss massive. 
Ursus utahensis sp. nov. 
7’//pe Xo. ISon).') cJ' old, U. S. Nat. Mus., Biological Sm-vey(’oll. From 
North l<d)rk Salina Creek, Ul or 12 miles southeast of tMaytield, Utah. 
Collected .May 22, IHl l, by .Maid, .Martenson. 
< 'haraclers. —Size' larg(‘; coloration apparently normal. Skull long, 
narrow, and high, hut not arched; fronto-nasal region high and very 
narrow —strongly pinched in. 
<'olor . — (<)f skin of head of male killed on Pine Valley Mt., southwest 
Utah. Obtained from IMrest Ranger September 2-t, 1H07, by Clarence 
Birdseye, (drig. No. t)St)): Muzzle pale brown; face and throat, except 
pale lip edgings and long hairs of median line of throat, dark brown, 
becoming grizzled posteriorly; top of hi'ad vm-y dark, grizzled posteriorly 
by brown-tipped hairs. 
Cranial characters of mafe ad.— Size large; skull very long and narrow ; 
zygomata moderately spreading; frontal shield narrow, Hattened, falling 
away on the sides immediately in front of orbits, leaving a high naso¬ 
frontal ridge; sagittal crest long and high, reaching anteriorly nearly to 
