NO. 4 NEW MAMMALS FROM PERU THQMAS 3 



MICROXUS TORQUES, sp. nov. 



Near Microxns mimus, but the zygomatic plate broader. 

 Head and body 102 mm.; tail 94; hindfoot 22.3; ear 17. Skull, 

 greatest length 28. 



Habitat. — Matchu Picchu, 10,000 feet. 



Type. — Male. U. S. Nat. Mus. No. 194607 ; original number 276. 



LAMA VICUGNA MENSALIS, subsp. nov. 



Size slightly less than in true vicugna and teeth much smaller. 

 Color more strongly fulvous. 



Greatest length of skull 240 mm. ; length of molars 45. 



Habitat. — Peru and Bolivia ; type from Incapirra, Junin, Peru, 

 17,700 feet. 



Type. — Male. Brit. Mus. No. 97. 10. 3. 18. Coll. J. Kalinowski. 



OROLESTES, gen. nov. (C(ENOLESTID.ffi) 



Like Coonolestes, but with various differences in dentition, of which 

 the most noticeable is that the canine is short, double-rooted, and 

 shaped like a premolar. 



Genotype. — Orolestes inca, new species. 



OROLESTES INCA, sp. nov. 



Dark brown above, rather paler below. Size and general appear- 

 ance about as in Cccnolestes fiiliginosus. 



Head and body 120 mm. ; tail 108 ; hindfoot 22 ; ear 15. Greatest 

 length of skull 33. 



Habitat. — Torontoy, 14,000 feet. 



Type. — Male. U. S. Nat. Mus. No. 194401 ; original number 248. 



