MAMMALS OF THE MEXICAN BOUNDARY. 213 



tion and much Inrger ears point to intergradation with Odocoileiia 

 lieiiiion iiK eremicus. 



The characters of the skull are shown in fig. 27 and of the teeth 

 in fig. 30. 



Measurements. — The only specimen measured fresh (No. 6090G. 

 U.S.N.M., described above), presented the following dimensions: 

 Total length in a straight' line, ],325 mm.; tail vertebras, 200'; tail 

 to end of switch, 300; ear from crown, 223; ear from notch, 192; 

 width of ear, 123; distance between eyes, 108; diameter of eye, 22; 

 distance from tip of nose to angle of mouth, 78; nose to eye, 144; to 

 center of pupil, 160 ; to base of ear, 233 ; to tip of ear, 465 ; distance 

 from shoulder to hip along side, 630; height at shoulder, 630; 

 height at hip, 965 ; fore limb from olecranon, 557 ; length of manus, 

 312; hind limb from knee joint, 665; length of pes, 435. 



Genus CERVUS Linn^us (1758). 

 Cervnn Linnaeus, Sjst Nat, 10th ed., I, 17.58, p. 66. 

 Type. — Cervus elaphus Linnseus. 



Characters. — Size, large; skull as in the axine group; without 

 ridges on frontals; supporting large antlers (only in the male^ on 

 osseous pedicels; antlers with the beam rounded, splitting up near 

 the summit into a larger or smaller number of snags, often arranged 

 in a cup-like manner, and with a brow tine always present. 



CERVUS MERRIAMI Nelson. 

 MERKIAM ELK. 



Cervus merriami Nelson, Bull. Am. Mus. Nat. Hist, N. Y. XVI, Jan., 1902, 

 pp. 1 to 12, figs. 1 to 7 (original description). — Miller and Rehn, Proc. 

 Bost Soc. Nat. Hist, XXXI, No. 3, Aug. 27, 1903, p. 69, (Syst. 

 Results Study N. Am. Mam. during the years 1901 and 1902). 



Type-locality. — Head of Black River, White Mountains, Apache 

 County, Arizona. Altitude, about 9,000 feet. 



Geographical range. — Upper Transition and Boreal zones in sum- 

 mer, descending to the Lower Transition and Upper Austral zones in 

 winter, in the mountains of western New Mexico and eastern Ari- 

 zona, probably crossing to the high mountains of northeastern 

 Sonora, Mexico. 



Description. — The following essential data are taken from Mr. 

 Nelson's original description, tabulated comparative measurements 

 of the skull, teeth, and horns, as well as other portions of the descrip- 

 tion and comparisons, being omitted : 



'■'•Type., No. 111639, ad., U. S. National Museum, collected Au- 

 gust, 1886, at h.ead of Black River, White Mountains, Arizona, by 

 E. W. Nelson. 



