87. SYMPHOLIS. 



Sympholis, Cope, Proc. Ac. Philml. istil. p. 524 (1802); Bocourt, 



' J//->. -v. M, ,.. /{,./,(. j>. :,:>.') (1883). 

 Cheilorhina (non Liitk.), Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 67. 



Maxillary teeth small, 12, increasing in length posteriorly. Head 

 not distinct from neck ; eye very small, with round pupil ; inter- 

 nasals fused with the pnefrontals ; nasal fused with the first labial ; 

 loreal and praeocular present. Body cylindrical ; scales very short, 

 smooth, without pits, in 19 rows ; ventrals rounded. Tail very 

 short, obtuse; subcaudals in two rows. 



Mexico. 



1. Sympholis lippiens. 



Sympholis lippiens, Cope, I. c., and Am. Journ. Sc. fy Arts, xxxv. 1863, 



p. 458 ; Bocourt, I. c. pi. xxxiv. fig. 5. 



Cheilorhina villarsii, Jan. I. c., and Icon. Gen. 48, pi. i. fig. 5 (1876). 

 Geophis lippiens, Garm. N. Am. Kept. p. 103 (1883). 



Snout rounded, feebly prominent. Rostral as deep as broad, 

 visible from above ; frontal longer than broad, pointed in front, 

 longer than its distance from the end of the snout, as long as the 

 parietals ; supraocular nearly as broad as the frontal ; a small loreal 

 and a small praeocular ; one postocular, which may be fused with 

 the supraocular ; one temporal ; five upper labials, first fused with 

 the nasal, third, or second and third, entering the eye ; a single pair 

 of small chin-shields. Scales in 19 rows. Veutrals 213; anal 

 entire ; subcaudals 15. Yellow, with black annuli, which are more 

 or less incomplete inferiorly ; snout black. 



Total length 500 millim. 



Guadalajara. 



88. CORONELLA. 



Coronella, part., Laurenti, Syn. Rept. p. 84 (1708) ; Boie, Isis, 1827, 



p. 519 ; Schleg. Phys. Serp. ii. p. 50 (1837) ; Dum. $ Ribr. Erp. Gen. 



vii. p. 607 (1854/; Giinth. Cat. Col. Sn. p. 34 (1858); Jan, Arch. 



Zool. Anat. Phys. ii. 1863, p. 236 ; Bocourt, Miss. Sc. Mex., Rept. 



p. 007 (1886). 



Zacholus, Wagl. Syst. Amph. p. 190 (1800). 

 Calamaria, part., Schley. I. c. p. 25. 

 Herpetodryas, part., Schleg. I. c. p. 173. 

 Ophibolus, Baird Sf Gir. Cat. N. Am. Rept. p. 82 (1853) ; Cope, Proc. 



U.S. Nat. Mus. xiv. 1892, p. 607. 

 Diadophis, Baird Sf Gir. I. c. p. 112 ; Cope, I. c. p. 614. 

 Osceola, Baird Sf Gir. I. c. p. 133 ; Cope, I. c. p. 606. 

 Ablabes, part., Dum. $ Bibr. t. c. p. 304 ; Giinth. I. c. p. 27. 

 Meizodon, Fischer, Abh. Nat. Hamb. iii. 1856, p. 112. 

 Coryphodon, part., Giinth. 1. c. p. 107. 



Lampropeltis, Cope, Proc. Ac. Philad. 1860, p. 254, and 1861, p. 302. 

 Diadophis, part., Jan, 1. c. p. 261 ; Bocourt, I.e. p. 618. 

 Bellophis, Lockington, Proc. Cat. Acad. vii. 1877, p. 52. 

 Coronella, Bouleng. Faun. 2nd., Rept. p. 308 (1890). 



Maxillary teeth 12 to 20, increasing in size posteriorly, some- 



