1168 



REPORT OF NATIONAL MUSEUM, 1898. 



rank of a species. All the characters ascribed to it turn out to be con- 

 staut, excepting" that probably the red color is in some specimens 

 replaced by chestnut brown. Its affinities are with the C. adamanteun 

 atrojc, but its general appearance is more like that of the C. confiuentus 

 lucifer. The cutting off" of the labial part of the first inferior labial 

 plate is present in all the specimens of the G. ruber. This is frequently 



met with in C. a. atrox, but does not occur in any other species. The 

 direction of the postocular band and the coloration of the tail is also as 

 in C. a. atrox. On the o"ther hand, the reversed i ehition of size between 

 the internasal and posterior canthal (or lateral prefrontal) is not found 

 in the C. a. atrox nor in any of the forms of the C. adamanteus or 

 C. conjiuentusy and its lateral decurvature is only approached by some 



