43 



Tropidonotus sipedon, Liim., subspecies erythrogaster^ Shaw; Baird and 

 Girard, Cat., p. 40. Austroriparian region, except Texas ; Michigan 

 and Kansas. 



Tropidonotus taxispilotus, Holbrook; Baird and Girard, Cat., p. 43. 

 North Carolina to Georgia. 



Tropidonotus rhomhifer, Hallowell ; Baird jlnd Girard, Cat., p. 43. Loui- 

 siana to Illinois and Michigan. 



Tropidonotus cyclopium, Dum. et Bibron ; Cope, Proc. Acad., ISGl, p. 299. 



Florida. 



Helicops, Wagler. 



Helicops allenii, Garmau, Proc. Bost. Soc. Nat. Hist., 1874, p. 92. 

 Floridan district. 



Heterodon, Beauv. 



Meter odon platyrJiinus, JjiitreAWe ; Baird and Girard, Cat., p. 51. Entire 



Austroriparian and Eastern regions. 

 Meterodon platyrhinus^ Latr., subspecies atmodes, Baird and Girard, Cat., 



p. 57. North Carolina to Georgia. 

 Heterodon simus, Linn., subspecies simiis, Baird and Girard, Cat., p. 59. 



Austroriparian region, excepting Texas. 

 Heterodon simus, Linn., subspecies nasicus, Baird and Girard, Cat., j). Gl. 



Sonoran and Central regions and Texas. 



BOIDAE. 



Chaeina, Gray. 



Charina bottae, Blainv., Nouvolles Annales Mus. Hist. Nat., iii, 1834, 57. 



Lower Californian region. 

 Charina plumhea, Baird and Girard, Cat., p. 139. Pacific region ; 



? Nevada. 



LICHANURIDAE. 



LiCHANURA, Cope. 



Idchanura trivirgata, Cope, Proc. Acad. Phila., 1861, p. 304. Lower 

 California. 



Lichanura myriolepis, Cope, Proc. Acad. Phila., 1868, p. 2. Lower Cali- 

 fornia. 



Lichamira roseifusca, Cope, Proc. Acad. Phila., 1868, p. 2. Lower Cali- 

 fornia. 



