E. LÖNNBERG, MÄMMALOGY OF ECUADOR. 103 



the former also are as a rnle more constricted in the middle. 

 A comparison of the distance between gnathion and hind- 

 margin of m^ of the two species is especially striking. It 

 is thus very easy to distinguish the Coatis fiom Northern 

 and Southern Brazil as well on the skins as on the skulls. 

 The Coati, which has been named Nasua henselii, appears 

 to have developed a separate geographic subspecies on the 

 western side of Rio Paraguay, which I venture to narae: 



Nasua henselii cinerascens n. subsp. 



3 (J", $ & juv.) specimens collected at Rio de Oro, a 

 small tributary to Rio Paraguay near the mouth of Rio 

 Bermejo, Chaco Austral, Argentina in May and June 1896 by 

 the Swedish Captain A. Ros. Native name: »Cochinigo». 



This race differs from the main form by being much 

 paler and more grey^, without buffish tints on the back. 

 The long hairs are dirty white basally with broad subapical 

 black rings and white tips, which may be somewhat putty- 

 coloured (Rép. de couleurs: 311) (in $), but not buffish. 

 The snout and cheeks are black with a white band above the 

 orbit bordering the black from the putty-coloured or dirty 

 whitish forehead.* The white on the upper lip as well as 

 the three white orbital markings well developed. Ears black 

 with a broad white börder on the inner side. Sides af neck 

 white. Chin white, throat brownish white, remainder of 

 lower side still somewhat more brownish and with dark hairs 

 mixed in (somewhat buffish in the young specimen). Feet 

 black, legs blaokish, sprinkled or grizzled with white tips to 

 the hair. The tail is very bushy, but rather short, not quite 

 40 cm. in the adult male, shorter in female. It is ringed 

 w^ith about 7 or 8 black rings, but this annulation becomes 

 somewhat obsolete, because even the black hairs of the rings 

 as well as those of the end of the tail have broad white tips. 

 It looks thus rather different from the same organ of N. 

 nasua. The fur is very thick, the length of the hairs being 

 in the male about 4 cm. on the sides, 5—6 cm. on the back. 

 Hind-foot (c. u.) approximately 8 Va cm. 



^ Somewhat reminding about a Badger. 



