1915.] Allen, American Deer of the Genus Mazama. 547 
of the skull in rufina is 148 mm., in zamora 193; zygomatic breadth, re- 
spectively, 71 and 87; length of the maxillary toothrow, 49 and 65. 
The red brockets of Peru, referred by Tschudi to Cervus rufus, doubtless 
include forms subspecifically separable from any of those recognized in the 
present paper, but there is at this writing no material available for their 
elucidation. 
Brown Brockets. 
Mazama simplicicornis ([/liger). 
Cervus simplicicornis ILtigmR, Abhandl, d. k. Akad. Wissen. zu Berlin, III, 1811 
(1815), p. 108 (nom. nud.), p. 117 = Gouazoubira Azara, ex Paraguay. 
Mazama bira RAFINESQUE, Amer. Monthly Mag., I, p. 363, Sept., 1817 = Goua- 
zoubira Azara. 
Represented by an adult male (teeth much worn) from Rio Negro (near 
Asuncion), Paraguay, collected on the Roosevelt Expedition to South 
America, November 14, 1913, by Leo E. Miller. This specimen can be 
taken, geographically at least, as typically representing the species. 
General color of the upperparts dull gray brown; no white facial markings; upper | 
surface of tail and adjoining parts of back and buttocks yellowish rufous; digits and 
_ posterior face of limbs pale yellowish rufous; front of limbs dark brown, darker than 
upperparts of body; chin, throat, breast and most of the ventral surface washed with 
buff. 
Collector’s measurements, total length, 1200 mm.; tail vertebrae, 100; hind foot, 
60; ear, 140. Skull, total length, 195; aoebtogaral length, 163; condylobasal 
length, 183; zygomatic breadth, 86; interorbital breadth, 46.5; occipital breadth, 61; 
breadth of braincase, 58; maxillary toothrow, 54; m!~*, 32. The premaxillaries do 
not reach the nasals, the space between them being 6 mm. The antler forms a 
cylindrical tapering spike, 133 mm. long from burr; diameter at base, 12; diameter of 
burr, 23.3; length of pedicel (inside), 12. 
Mazama murelia sp. nov. 
Type, No. 33906, 2 juv., La Murelia (Rio Bodoquera), Caquetaé, Colombia, 
altitude 600 feet, July 13, 1912; Leo E. Miller. 
Upperparts drab gray, darker along middle of back, finely vermiculated with 
light buff and dusky; whole top of head blackish brown; broad dark eyering; a 
faint band of dingy grayish buff, both above and below the eye; no white eyespot; a 
small whitish spot on upper lip bordering the rhinarium; ears externally dark brown 
like top of head, edged basally with whitish; tail ESO dark brown like the midline 
of the back, the edges slightly mixed with fulvous, underside white; underparts dull 
