144 SYSTEMATIC LIST AND SYXONYMY. 



O P H I D I A— Continual. 



^Tketan'oriiinits.) 



Helicoi's VAiUAim.is 33 



Tn'lanorhinus mriabilis D. A »., 1854, Erp. (ien., VII, .'mt; Jan, 1863, 

 Sist., TG. JMicojis (lya.isizii Jan, lSli:i, Sist., 7(1, — l.MiS, Icon., livr. 28, 

 1)1. 2, f. 1. Tretunorhinu^ vurialiilis var. (idiii.ni.-< Jan, ISO.'i, Sist., Tli. 



Xiiaiaj;iia In Mexico. 



IlELICOrS NIGIlOUTKrS 



Tretanorhimts nigroluk'HS Cu]H', ISlil, IV. Ac. I'liil., 2il8. 



Head narrow, sliglilly distinct. Kostral Ijroader tlian high, sepa- 

 rated from internat-als by the na,sals. Nasal in two parts, nostril 

 between. Prefrontals a.s long as frontal. Anterior lionler of frontal 

 equal to lateral. Loreals two, anterior smaller. Oculars 2 — 2. La- 

 bials 8, fourth in orbit. Infralabials 10. Scales keeled, in 21 rows. 

 Ventrals 136. Anal bifid. Black aliovc; yellow beneath; punctu- 

 latcd aiUeriorly, pniictiilations furndng bands near the (lank. 



Central America. 



Helicoi-s ali.enii 34 



Garnian, 1874, Pr. I!ost. Soe., 92; Cope, 1875, Chec'klist, 4:5. 



Florida. 



Hydrops 34 



Waglcr, 1830, Aniph., 170; (iray, 1842, Zool. Misc., 67; Fitz., 1843, 

 Syst., 25; Gray, 1849, Cat. Serp., 75. 



Hydrops ERYTiiROfiRA.MMUs 35 



Coluber en/lhrngrammus Latr., 1802, Kept., IV, 111; Hand., 1S03, R<>pt., 

 VII, 93, pi. 83, t. 2; Ilarl., 1827, Jour. Phil. Ac., 361 ; Ilolbr., 1836, 

 Ilerp., I, 115, 1)1. 22. Ab(i.'<lor eri/tlirogmmmus B. & G., 1853, Serp., 

 125; Bd., 1859, P. R. R. Rep., X, pi. 33, f. 93; Gray, 1849, Serp., 78; 

 Gthr., 1858, Cat., 275. Calophma erythrogrammux D. & K, 1854, Erp., 

 VII, ,3.36; Mart, 1856, Miis. Berl., 27; Jan, 1863, Sist., 75, — 1868, 

 Icon., livr. 29, pi. 4, f. 2, pi. 5, f. 1. Jlomulopsis erythrogrammus Bole, 

 1827, Isis, 551. HeUcopx erylhrof/ramtmi-i Wagl., 1830, .^mph., 170; 

 Ilolbr., 1842, Herp., Ill, 107, pi. 25. Homahpm pUatlilis var. Selileg., 

 1837, Easai, 173, II, 353. Nulrix irythrogrammus Merr., 1820, Ainph., 

 117. 



Illinois and Virginia southward. 



Hydrops AiiAn-ni's 36 



Coluljer nlxicumx Holbr., 1.S36, Ilerp., I, 110. i)l. 23. Hydrops abncuriia 

 I). & n., 18.")4, Erp., Atlas, pi. 65. Cdlopi.vna (dmcimim D. A R, 1S54, 

 Erp., VII, .•!42 ; Mart., 18')6, Mus. Bi'rl., 27. Ifrlimpn abnamis Holbr., 

 1812, Ilerp., Ill, pi. 20. Tfydropn reinwurdtii Gray, 1842, Zoiil. Misc., 

 07. Hnmidopm rrinirnrdlii Schleg., 1837, pAsni, I, 173, II, 357. 

 Furancia fiineiida Gray, 1849, Cat., 74; Gthr., 1858, Cat, 275. Faran- 

 cia dntmmnndi Gray, 1842, Zoiil. Misc., 68. Fnrancia abacurus B. & 

 G., 18.53, Serp., 123; Bd., la'.O, P. R. R. Rep., X, pi. 33, f. 92. Cnlo- 

 pinna rcinwardtii Jan, 1863, Sist, 75, — 1868, Icon., livr. 29, pi. 0, {. 

 1-3. 



The Cttrolinas to Tcxaai 



