Tamaulipan Coyote 423 



that it differs chiefly from the under -mentioned Lower Cahtorniiin race 

 in its somewhat superior dimensions, paler coloration, shorter ears, the 

 larger extent of black on the lower part of the fore-legs, and the more 

 elongated muzzle. 



THE RIO FRIO COYOTE 



(^Canis hi trans cagottis) 



A coyote from the Rio Frio, Mexico, was described as long ago as 

 1839 by Major Hamilton Smith, and specimens from the same locality 

 have been identified with it by Dr. Merriam. It is stated to be generally 

 similar to the Lower Californian race, but slightly larger, somewhat redder 

 in colour, with relatively shorter ears, larger teeth, and a wider muzzle. 



THE LOWER CALIFORNIAN COYOTE 



( Canis latrans piUiinsiila) 



Dr. Merriam describes this race of the coyote as resembling the 

 Californian animal mentioned below in size, as well as in its large ears and 

 its rich coloration, but differing by the colours being darker and redder, 

 by the blacker under-surface of the tail, the presence of black-tipped hairs 

 on the under-parts, and the broader muzzle. 



THE TAMAULIPAN COYOTE 



{Cams latrans niicrodon) 



The small coyote from the neighbourhood of Tamaulipas, Mexico, is 

 stated by its describer, Dr. Merriam, to be so markedly different from all 

 the other forms that it does not need close comparison with any. It is of 



