SCIURUS. 61 



a. Sciurus deppii vivax Nelson. 



Sciurus deppei vivax Nelson, Proc. Biol. Soc. Wash., xiv, 1901, p. 



131- 

 Sciurus deppii vivax Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 102. Zool. Ser. 

 Apazote Squirrel. 



Type locality. Apazote, State of Campeche, Mexico. 

 Geogr. Distr. Lowland forest in the States of eastern Tabasco, 

 southern Campeche, and southern and eastern Yucatan, Mexico. 



125. Sciurus negligens Nelson. 



Sciurus negligens Nelson, Proc. Biol. Soc. Wash., xii, 1898, p. 

 147. Elliot, Mamm. Middle Amer. & W. Indies, F. G. M. 

 Pub., IV, Pt. I, 1904, p. 102. Zool. Ser. 

 Sciurus arizonensis Alston, Biol. Centr. Amer., Mamm., i, 1880, 



p. 125. (Part.) 

 Sciurus deppei Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1891, p. 

 222. (Part.) 

 Little Gray Squirrel. 



Type locality. Alta Mira, State of Tamaulipas, Mexico. 

 Geogr. Distr. Southern Tamaulipas, through eastern San Luis 

 Potosi into northern Vera Cruz, Mexico. 



Subgenus C. Guerlinguetus. 



Sciunis cpMuans Iwffmanni Peters. 



Sciurus cBstuans var. hoffmanni Peters, Monatsb. K. Preuss. Akad. 



Wiss. Berlin, 1863, p. 654. Elliot, Mamm. Middle Amer. & 



W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 104, fig. 15. Zool. 



Ser. 

 Sciurus xanthotus Gray, Ann. Mag. Nat. Hist., 3d Ser., xx, 1867, 



p. 429. 

 Sciurus griseogena Gray, Ann. Mag. Nat. Hist., 3d Ser., xx, 



1867, p. 430. (Part. Costa Rica.) 

 Sciurus rufoniger Allen, Mon. N. Am. Rod., 1877, pp. 757-763. 



(Part. Costa Rica.) 

 Sciurus griseogenys Alston, Proc. Zool. Soc, 1878, p. 667. (Part. 



Costa Rica, Veragua, Panama.) 

 Hoffmann's Squirrel. 



Type locality. Costa Rica, Central America. 



Geogr. Distr. Costa Rica south to upper Cauca River, Columbia. 



