1^2 OPHIOMORPHA. 



without narial valvules ; eyes visible; annuli broad; ten- 

 tacles on the fossa wanting. 



Siphoaops aunulatus, Wagler. (12) 



Synonyms, Csecilia interrupta, Cuvier ; Csecilia annu_ 

 lata of many authors. 



Length 23 inches; diameter .7 of an inch; annuli 86 to 

 too, usually forming comflete circles; muzzle large with 

 rounded end; teeth conical and directed backwards; 

 posterior extremity of the body rounded ; scales conceal- 

 ed if not altogether wanting ; color blackish, olive, bluish, 

 or ash colored, a7inuli vjith white circles. 



Spix estimates upwards of 200 bands or folds of the 

 skin on the body of this animal, but probably none can 

 be found with that number. The S. annulatus lives in 

 marshes several feet under ground, and is specifically the 

 same as C. interrufta, Cuvier. In the latter, part of 

 the annuli do not form complete circles. 



Siphonops Mexicanus, Dumeril and Bibron. 



Length 13^ inches; diameter 4-5 of an inch; muzzle 

 slightly narrowed ; teeth conical, curved backward ; an- 



