174 Mr. N. E.0S(iii on the Snakes in the 



57. Dromicus rujiveiifris, D. & B. 

 West Indies. 



58. Li'ophis albivenirisj Jan, type A. 

 Ecuador. 



50. Liophis iicecilogyrus, Wied. 

 Argentine. 



60. Liophis (j/phhiSj L. 

 Brazil. 



Gl. Liophis epinepheluSf Cope. 



62. Liophis regime, L. 

 Brazil. 



68. Liopltis parvifrons, Cope. 



64. Xenodon Merremi, Wagl. 

 Brazil. 



65. Ileterodon platyrhinus, Latr. 



Two specimens have scales very feebly keeled, but do not 

 diflfer in other structural characters. 

 United States of America. 



06. Aporophia lineatuSj L. 



G7. Jihadincea anomala, Gthr. 

 Argentine. 



68. Hhadincea cohelki^ L. 



09. llhadincea fusca. Cope. 



70. Urotheca lateristriga, Berth. 

 Ecuador. 



71. J)imades p)Ucatdis,Jj. 



72. CoroneUa auslriaca^ Laur. 

 Europe. 



73. CoroneUa triangulum, Daud., type A. 

 North America. 



74. Cemophora coccinea, Blumenb. 



The su})raoculars fused with the frontal. 



