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. gabbi, 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 vertebra?, 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 TO THE SPECIES. 



PAG E 



A. Above light fulvous brown and black L. cerrosensis 428 



B. Above yellowish, dark brown and black L. bachmani 429 



C. Above grayish brown and black. 



a. Small L. cinerascens 429 



b. Large L. peninsularis 430 



443. cerrosensis (Lepus}, Allen, Bull. Amer. Mus. Nat. Hist., 1898, 



P- i45- 

 CERROS ISLAND HARE. 



Type locality. Cerros or Cedros Island, off west coast of Lower 

 California, Mexico. 



Geogr. Distr. Type locality only. 



Color. Upper parts light 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. 



