324 COLTJBEID^. 



Bymphysial and with three labials. Scales in 17 rows, perfectly 

 smooth, a few at the hase of the tail with faint traces of keels. 

 Ventrals 136-151 ; anal entire ; subcaudals 36-48. Uniform 

 blackish brown above, yellowish white beneath. 



Total length 310 millim. ; tail 50. 



Mexico. 



a. 2 (V. 146 ; C. 40). Mexico. M. Sall^ [C.]. 



114. CARPHOPHIS. 



Calamaria, part., Schleg. Phys. Serp. ii. p. 25 (1837). 



Carphophis, Oeroais, in D'Orhigny, Diet. cPHist. Nat. iii. p. 191 



(1849) ; Ounth. Cat. Col. Sn. p. 17 (1858) ; Jan, Arch. Zool. Anat. 



Phys. ii. 1862, p. 23 ; Boeourt, Miss. Sc. Mex., Pept. p. 635 



(1883). 

 Carphophiops, Gerv. I. c. ; Cope, Proc. Ac. Philad. 1860, p. 78, and 



Proc. U.S. Nat. Mus. xiv. 1892, p. 596. 

 Carpophis, part., Dum. 8( Bibr. Mem. Ac. Sc. xxiii. 1853, p. 442. 

 Celuta, Baird Si Gir. Cat. N. Am. Pept. p. 129 (1853) ; Cope, Proc. 



U.S. Nat. Mus. xiv. 1892, p. 699. 

 Carphophis, part.. Sum. ir Bibr. Prp. Gen. vii. p. 131 (1854). 



Maxillary teeth very small, subequal, about 10 ; mandibular 

 teeth subequal. Head small, not distinct from neck ; eye small, 

 with round pupil ; internasals present or absent ; supraocular very 

 small ; nostril in a single nasal ; no prseocular, loreal and prse- 

 frontal entering the eye. Body cylindrical ; scales smooth, without 

 apical pits, in 13 rows ; ventrals rounded. Tail short ; subcaudals 

 in two rows. 



North America. 



1. Carphophis amoenus. 



Coluber amoenus. Say, Journ. Ac. Philad. iv. 1825, p. 237 ; Harl. 

 Journ. Ac. Philad. v. 1827, p. 355, and Med. Phys. Res. p. 118 

 (1835) ; Storer, Pep. Fish. $ Pept. Mass. p. 226 (1839). 



Calamaria amcena, Schley. Phys. Serp. ii. p. 31, pi. i. fig-s. 19 & 20 

 (1837). 



Brachyorrhoa amcenua, Eolbr. N. Am. Herp. iii. p. 115, pi. xxvii. 

 (1842). 



Carphophis amoena, Gerv. in DOrb. Diet. d'Hist. Nat. iii. p. 191 

 (1849); Bum. 8f Bibr. vii. p. 131 (1854); Giinth. Cat. p. 18 (1858) ; 

 Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 23, and Icon. Gin. 12, 

 pi. ii. fig. 4 (1865) ; Garm. N. Am. Kept. p. 100, pi. vii. fig. 1 

 (1883) ; Boeourt, Miss. Sa. Mex., Pept. p. 635, pi. xxxii. figs. 1 

 & 2 (1883) ; H. Garm. Bull. Illin. Lab. iii. 1892, p. 309 ; Hay, 

 Batr. 8r Pept. Indiana, p. 78 (1893). 



Carphophiops vermiformis, Gerv. I. c. 



Celuta amoena, Baird 8/- Gir. Cat. N. Am. Pept. p. 129 (1853). 



vermis, Kennieott, Proc. Ac. Philad. 1859, p. 99. 



helense, Kennieott, I. c. p. 100. 



Carphophiops amoena. Cope, Proc. Ac. Philad. 1860, p. 79, and Proc 

 U.S. Nat. Mus. xiv. 1892, p. 596. 



