126 MAMMALS OF UTAH 



Family URSIDAE, Bears 



Subfamily URSINAE 



UTAH GRIZZLY 



URSUS UTAHENSIS (Merriam) 



Ursus utahensis Merriam, Proc. Biol. Soc. Wash., XXVII, 

 pp. 193-194, 1914. 



Description — Size large; coloration apparently normal. 

 Skull long, narrow, and high, but not arched; fronto-nasal 

 region high and very narrow — strongly pinched in. Color — 

 Skin of male on Pine Valley Mountain, southwest Utah 

 (obtained from forest ranger, September 24, 1907, by Clar- 

 ence Birdseye) 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 head 

 very dark; grizzled posteriorly by brown-tipped hairs. 

 Cranial characters : Adult male (type and equally old male 

 from northeast corner Sevier National Forest) Size large; 

 skull very long, high, and exceedingly narrow; zygomata 

 moderately spreading and outbowed ; frontal shield narrow, 

 flattened posteriorly, falling away laterally immediately in 

 front of orbits, leaving a high fronto-nasal ridge; short 

 pointed posteriorly; sagittal crest long and high, reaching 

 anteriorly nearly to mid way between fronto-parietal suture 

 and plane of postorbital processes; postorbital processes 

 very long, slender, peglike, and horizontally extended; ros- 

 trum long, high, rather narrow, and strongly compressed 

 below nasals ; palate and postpalatal shelf exceedingly long ; 

 postpalatal shelf and notch narrow; interpterygoid fossa 

 exceptionally deep; basisphenoid strongly concave. Under 

 jaw very long, ramus flat and exceedingly broad vertically ; 

 large coronoid blade high and moderately recurved. Denti- 

 tion light for so large a skull; canines rather small; upper 

 and lower molariform series medium or rather small; mid- 

 dle lower molar decidedly narrow. (Merriam.) 



Distribution — The type locality of this species is the 

 North Fork of Salina Creek, ten or twelve miles southeast of 

 Mayfield, Utah, where the type specimen was collected 

 May 22, 1911, by Mart Martenson. The range of this 

 grizzly includes the southern Wasatch and all of the Pine 

 Valley mountains though the further limits are unknown. 



