188 COLULRIDE. 
87. SYMPHOLIS. 
Sympholis, Cope, Proc. Ac. Philad. 1861, p. 524 (1862); Bocourt, 
Mass. Se. Mex., Rept. p. 555 (1885). 
Cheilorhina (non Liitk.), Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 57, 
Maxillary teeth small, 12, increasing in length posteriorly. Head 
not distinct from neck; eye very small, with round pupil; inter- 
nasals fused with the preefrontals ; nasal fused with the first labial ; 
loreal and procular 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, l. c., and Am. Journ. Se. § Arts, xxxv. 1863, 
p- 458; Bocourt, 1. c. pl. xxxiv. fig. 5. 
Cheilorhina villarsii, Jan. l. c., and Icon. Gén. 48, pl. i. fig. 5 (1876). 
Geophis lippiens, Garm. N. Am. Rept. 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 preocular; 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; asingle 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 inferiorly ; snout black. 
Total length 500 millim. 
Guadalajara. 
88. CORONELLA. 
Coronella, part., Lawrenti, Syn. Rept. p. 84 (1768) ; Bote, Isis, 1827, 
p- 519; Schleg. Phys. Serp. ii. p. 50 (1837); Dum. § Bibr. Erp. Gén. 
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: 607 (1886). 
Zacholus, Wagl. Syst. Amph. p. 190 (1860). 
Calamaria, part., Schleg. 1. c. p. 25. 
Herpetodryas, part., Schleg. 1. c. p. 173. 
Ophibolus, Baird § Gir, Cat. N. Am. Rept, p.82 (1855) ; Cope, Proc. 
U.S. Nat. Mus. xiv. 1892, p. 607. 
Diadophis, Baird § Gir. lc. p. 112; Cope, lc. p. 614. 
Osceola, Baird § Gir. lc. p. 183; Cope, 1. c. p. 606. 
Ablabes, part., Dum. § Bibr. t..c. p. 804; Giinth. 1. e. p. 27. 
Meizodon, Fischer, Abh. Nat. Hamb. iii. 1856, p. 112. 
Coryphodon, part., Giinth. l. ec. p. 107. 
Lampropeltis, Cope, Proc. Ac. Philad. 1860, p. 254, and 1861, p. 302. 
Diadophis, part., Jan, l. c. p. 261; Bocourt, l. ce. p. 618. 
Bellophis, Lockington, Proc. Cal. Acad. vii. 1877, p. 52. 
Coronella, Bouleng. Faun. Ind., Rept. p. 808 (1890). 
Maxillary teeth 12 to 20, increasing in size posteriorly, some- 
