62 TAGASSU. 



Dicotyles G. Cuv., Regn. Anim., i, 1817, p. 237. 



Notophorus Fisch., Mem. Soc. Imp. Nat. Moscow, v, 1817, p. 418. 



Adenonotus Brookes, Prodr. Syn. Anim., n, 1828. 



Size large; mane not covering the rump; sides of rostrum not 

 flattened, and divided by zygomatic ridge; palate long, narrow, with 

 median ridge, and extending beyond last molar; deep cavity on root of 

 zygoma anterior to orbit, which is small and incomplete behind, the 

 postorbital process not joining the zygoma; pterygoid plates of the 

 alisphenoid form the interpterygoid fossa. 



KEY TO THE SPECIES AND SUBSPECIES. 



A. Rostrum and nasals flattened anteriorly, con- 

 vex posteriorly; sides of rostrum excavated 

 over premolars; palate with sharp ridge from 

 first premolar to canine, 

 a. Stripe over shoulder. PAGE 



a.' Size small; color grizzled black and buff T. nanus 62 



b.' Size large. 



a." Shoulder stripe white, sides black and 



white T. angulatum 63 



b." Shoulder stripe yellowish ochraceous, 



narrow; sides dark, less gray T. a. hunter ale 63 



c." Shoulder stripe broad ; sides whitish . T. a. yucatanense 63 

 d." Shoulder stripe indistinct, very narrow ; 



sides grizzled gray T. a. crassum 64 



e." Shoulder stripe indistinct ; color mixed 



grayish and brownish black T. a. sonoriense 64 



f." Shoulder stripe, wide and tawny .... T. crusnigrum 65 



A. Tagassu. 

 46. nanus (Tayassu), Merr., Proc. Biol. Soc. Wash., xiv, 1901, p. 



102. 

 DWARF PECCARY. 



Type locality. Island of Cozumel, Yucatan. 



Genl. Char. Small, similar to T. angulatum. 



Color. Above grizzled black and buff; broad buffy stripe on 

 shoulders; rest of body with black dorsal stripe from occiput to tail; 

 ears and feet black. 



Measurements. Total length, 840; tail vertebrae, 32; hind foot, 

 175. Skull: basal length, 176; Hensel, 168; palatal length, 120; 

 occipito-nasal length, 189; zygomatic breadth, 100; upper tooth 

 row, 52. 



