428 LEPUS. 
442. incitatus (Lepus), Bangs, Am. Nat. xxxv., 1901, p. 633. 
FLEET Hare. 
Type locality. San Miguel Island, Bay of Panama. 
Genl. Char. Similar to L. gabbt, but with a larger and heavier 
skull; rostrum wider and heavier, more rounded and arched; bony 
palate wider and longer; molar and incisor teeth heavier. 
Color. Upper parts tawny ferrugineous; sides dull ochraceous; top 
of head and middle of back mixed with black; nuchal patch, arms, and 
outer side of legs bright tawny ferrugineous; superciliary stripe buffy 
white; outer side of ear like back, tip dusky, outer border yellowish 
white; under parts soiled white; sides of neck tawny ferrugineous; 
under side isabella. 
Measurements. Total length, 420; tail vertebre, 20; hind foot, 80; 
ear from notch, 45. Skull: basal length, 57; occipito-nasal length, 
74.6; zygomatic width, 35.4; mastoid width, 23.8; interorbital con- 
striction, 16.2; length of nasals, 30.4; width of nasals, 13; length of 
palatal bridge, (incisive foramina to palatal notch), 9; length of 
incisive foramina, 17; width of incisive foramina, 6.4; upper tooth row, 
alveolar border, 14.6; length of single half mandible, 56; lower tooth 
row, alveolar border, 15.4. 
D. Microlagus. 
“Ears longer than hind foot; tail short; skull narrow, low, and 
lightly ossified with postorbital process usually free, scarcely touching 
cranium behind.’ (Mearns.) 
KEY 10 THE SPECIES: 
PAGE 
A. Above light fulvous brown and black.......... L. cerrosensis 428 
B. Above yellowish, dark brown and black........ L. bachmant 429 
C. Above grayish brown and black. 
ALS ROMINA eos olive. Fs Uk, eee Aa ie eee L. cinerascens 429 
bw areGi ads ot. ce Sok tA eee ee L. pentnsularis 430 
443. cerrosensis (Lepus), Allen, Bull. Amer. Mus. Nat. Hist., 1898, 
pts. 
Cerros IsLaAnp HARE. 
Type locality. Cerros or Cedros Island, off west coast of Lower 
California, Mexico. 
Geogr. Distr. Type locality only. 
Color. Upper parts hght fulvous brown, mixed with black; pec- 
toral band pale yellowish brown; rest of under parts white; fore feet 
fawn; hind feet yellowish white; tail dark gray above, white beneath; 
ears grayish brown. 
