99. CONTIA. 259: 
p. 39, pl. iii. fig. 4 (1883), and Bull. Essex Inst. xxiv. 1892, p. 108 5 
iE Garm. Bult. Ilin. Lab. iii. 1892, p. 282. 
Liopeltis vernalis, Cope, Proc. Ac. Philad. 1860, p. 560; Jan, Teon. 
Gén. 31, pl. v. fig. 3 (1869). 
Rostral broader than deep, the portion visible from above nearly 
half as long as its distance from the end of the snout; nasal, un- 
divided; suture between the internasals shorter than that between 
the preefrontals ; frontal nearly once and a half as long as broad, 
longer than its distance from the end of the snout, shorter than the 
parietals ; loreal small, square, or a little deeper than long, or a 
little longer than deep, rarely united with the nasal; one (rarely 
two) pre- and two postoculars; temporals 14+2 (rarely 1+1); 
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 
in 15 rows. Ventrals 119-148; anal divided; subcaudals 65-94. 
Uniform green above, upper lip and lower parts yellowish or greenish 
white. 
Total length 450 millim. ; tail 160. 
North America, east of the Rocky Mountains. 
a. © (Wer; Cr 65): Halifax. 
@ (V2 129); C280). Illinois. Smithsonian Instit. [P.]. 
CHIP CV 135 36217): Florida. 
d-e. g (V. 119; C. 74) N. America. 
Soe. ee C. 75). 
Ee. ty! 126; C. 89). —? (Named by Dr. Shaw C. cyaneus.) 
3. Contia agassizii. 
Eirenis agassizil, Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 260, and 
Icon. Gén. 15, pl. v. fig. 3 (1866). 
Liopeltis brevicauda, Jan, Elenco, p. 82 (1863), and Icon. 31, pl. vi. 
fig. 1 (1869). 
Ablabes agassizii, Bouleng. Ann. §& Mag. N. H. (5) xvi. 1885, p. 87. 
Rostral as deep as broad, visible from above; nasal entire or 
semidivided ; suture between the internasals as long as or shorter 
than that between the prefrontals ; frontal once and a half to once 
and two thirds as long as broad, longer than its distance from the 
end of the snout, as long as the parietals; loreal small, square, 
rarely united with the nasal; one pre- and two postoculars ; 
temporals 1+1 (rarely 14+2); seven upper labials, third and fourth 
entering the eye; four lower labials in contact with the anterior 
chin-shields, which are longer than the posterior ; latter in contact 
with each other. Scales in 13 rows. Ventrals 128-138; anal 
divided ; subcaudals 51-64. Olive above, uniform or with two 
light, black-edged dorsal streaks ; sometimes a reddish-brown 
vertebral band; labials whitish, edged with black; lower parts 
uniform greenish white. 
Total length 380 millim. ; tail 85. 
Southern ‘Brazil, Uruguay. 
