DESCRIPTIONS OF APPARENTLY NEW SPECIES 



OF MAMMALS OF THE GENERA HETERO- 



MYS AND URSUS FROM MEXICO 



AND WASHINGTON. 



BY D. G. ELLIOT, F.R.S.E., ETC. 



FAM. HETEROMYINyE. 



HETEROMYS. 

 Heteromys (Liomys)* paralius. Sp. nov. 



Type locality. San Carlos, State of Vera Cruz, Mexico. 



General character. Similar to H. texensis. Size large; tail 

 long, usually white tipped; grayish patch behind ears; ears large. 

 Skull with a greater occipito-nasal length, and the zygomata slightly 

 wider. 



Color. Top of head and back behind shoulders blackish brown, 

 mixed with reddish, the base of hairs grayish; back of ears and 

 sides of head and body grayish, with blackish brown hairs inter- 

 mingled; lateral stripe bright buff, extending from nose to thighs; 

 nose and upper lip, hands, and feet white; under parts yellowish 

 white; a patch of orange-buff on each side of root of tail. Tail 

 above black, beneath whitish, with an all-around white tip. 



Measurements. Total length, 255; tail vertebrae, 136; hind foot, 

 29. Skull: occipito-nasal, length, 33; Hensel, 23; interorbital 

 constriction, 8; zygomatic width, 15; length of nasals, 12; palatal 

 length, 13; length of upper molar series, 4; length of mandible, 13; 

 length of lower molar series, 4. 



In general appearance this form resembles H. texensis, but is 

 larger, with larger ears, and a noticeable gray patch behind the ears, 

 extending onto the side of neck, and on the majority of the speci- 

 mens a white tip to the tail of varying extent. In the type the 

 white occupies twenty-eight mm-, of the apical length. A dozen 

 specimens were sent to the museum by Mr. N. G. Buxton from San 

 Carlos, State of Vera Cruz, Mexico. 



<7, belonging to the coast. 

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