OPHIOMORPHA. 129 



Csrril fa ochrocepliala. 



Length about fifty times its greatest diameter; annu- 

 li 200, equidistant, complete, and with intermediate ones 

 on the back, beginning one inch and terminating three 

 lines from the posterior extremity; eyes invisible; muz- 

 zle narrowed somewhat, decurved, extending at an acute 

 angle beyond the mouth ; color plumbeous yellow, throat 

 and head ochreous, annuli brownish black ; posterior ex- 

 tremity of the body depressed and obtuse. 



Habitat Panama. 



Csecilia pachynema, Gunther. 



Annuli 170 to 180; eyes visible in small, invisible in 

 large animals ; tongue with two narial valvules ; maxil- 

 lary teeth eight on each side above and six below ; pala- 

 tines five on each side, all the teeth conical and directed 

 backwards ; color brownish, sometimes with lateral blue 

 spots. 



Habitat Ecuador. 



