188 COLUBEID.E. 



87. SYMPHOLIS. 



Sympholis, Cope, Proc. Ac. Philad. 1861, p. 524 (1862) ; Bocourt, 



Miss. 6'c. Max., Rept. p. 555 (1883). 

 Cheilorhina (non Liltk.), Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 57. 



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

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

 nasals fused with the praefrontals ; 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. 



Sympliolis lippiens, Cope, I. c, and Am. Joiirn. Sc. S^ 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. Rept. p. 103 (1888). 



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 prseocular ; 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. Ventrals 213 ; anal 

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

 or less incomplete interiorly ; snout black. 



Total length 500 miUim. 



Guadalajara. 



88. CORONELLA. 



Coronella, part., Laurenti, Syn. Rept. p. 84 (17G8) ; Boie, Isis, 1827, 



p. 519 ; Schleq. Phys. Serji. ii. p. 50 (1837) ; Dum. 8f Bibr. Erp. Gen. 



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



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



p. 607 (1886). 

 Zacholus, Wagl. Syst. Amph. p. 190 (1860). 

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

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

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



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

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

 Osceola, Baird •Si- 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. 

 Goryphodon, part., Giinth. I. c. p. 107. 



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

 Diadophis, part., Jan, I. c. p. 26] ; Bocourt, I. c. p. 618. 

 Bellophis, Locki?igto7i, Proc. Cat. Acad. vii. 1877, p. 52. 

 Coronella, Bouleng. Faun. Ind., Rept. p. 308 (1890). 



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



