258 COLUBRID &X., 
‘1. Contia estiva. 
Coluber zstivus, Linn. S. N. i. p. 887 (1766) ; Daud. Rept. vii. p. 101 
(1803) ; Harl. Journ. Ac. Philad. v. 1827, p- 857, and Phys, Med. 
Res. p. 121 (1835). 
Leptophis estivus, Bell, Zool. Journ. ii. 1826, p. 329; Holbr. N. Am. 
Herp. iv. p. 17, pl. ii. (1842); Baird § Gir. Cat. N. Am. Rept. 
p- 106 (1858), and Rep. U.S. Explor, R. R.x. pt. iii. pl. xxxii. fig. 79 
(1859). 
Herpetodryas eestivus, Schleg. Phys. Serp. ii. p. 186, pl. vil. figs. 12 
& 13 (1837) ; Dum. & Bibr. vii. p. 209 (1884). 
Leptophis majalis, Baird § Gir. ul. cc. p. 107, fig. 80, and Marey’s 
Explor. Red Riv. p. 232, pl. ix. (1855). 
Cyclophis zestivus, Giinth. "Cat. p. 119 (1858) ; Garm. N. Am. Rept. 
p- 40 (1883). 
Opheodrys eestivus, Cope, Proc. Ac. Philad. 1860, p. 560, 
Liopeltis eestivus, Jan, Elenco, p. 81 (1863), and Teon. Gén. 31, pl. v. 
fig. 1 (1869). 
Philophyllophis majalis, Garm. Bull, Essex Inst. xxiv. 1892, p. 108. 
Phyllophilophis estivus, H. Garm. Bull. Illin. Lab. iii. 1892, p. 288. 
Rostral broader than deep, just visible from above; nasal un- 
divided; suture between the internasals shorter than that between 
the prefrontals ; frontal once and a half as long as broad, as long 
as or a little longer than its distance from the end of the snout, 
shorter than the parietals ; loreal longer than deep; one pre- and 
two postoculars; temporals 14+ 2; seven upper labials, third and 
fourth entering the eye; four lower labials in contact with the 
anterior chin-shields ; posterior chin-shields longer than the anterior, 
and in contact anteriorly. Scales striated and keeled, in 15 rows. 
Ventrals 148-166; anal divided; subcaudals 111-148. Uniform 
green above, upper lip and lower parts yellowish or greenish 
white. 
Total length 670 millim. ; tail 260. 
United States, east of the Rocky Mountains. 
a. 9 (V.159; 0.114). Michigan. 
b. o (V. 148; C.180). Bloomington, Indiana. C.H. Bollman, Ksq. [C.]. 
c. Q an 151; C. 120). Delaware. H. Doubleday, Esq. pt 
d. Yg.(V 152; C.148). Florida. Dr. Guillemard [P.]. 
e. 9 Y 158 ; C. 127). New Orleans. M. Sallé [C.]. 
at, V. 162; C.114). Duval Co., Texas. W. Taylor, Esq. [C.]. 
g. 3 ty. 159; C. 130). Texas. 
A. Skull. United States. 
- 
Pe ok 
2. Contia vernalis. 
Coluber vernalis, Harlan, Journ. Ac. Philad. v. 1827, p. 361, and 
Phys. Med. Res. p. 124 (1835) ; Storer, Rep. Fish. § Rept. Mass. 
p. 224 (1839); Holbr. N. Am. Herp. iii. p. 79, pl. xvii. (1842) ; 
De re N. ¥. Faun. iii. . 40, pl. xi. fig. 22 (18 42), 
Chlorosoma vernalis, Baird § Gir. Cat. N. Am. Rept. p. 108 (1853), 
and Rep. US. Explor. R. R. x. pt. iii. pl. xxxii. fig. 81 (1859). 
Herpetodryas vernalis, Hallow. Proc. Ac. Philad. 1856, p. 243. 
Cyclophis vernalis, Giinth. Cat, p. 119 (1858); Garm. N. Am, Rept. 
