164. PHILODRYAS. 129 
2. Philodryas viridissimus. 
Merrem, Beytr. i. p. 45, pl. xii. (1790). 
Coluber viridissimus, Linn. S, N. i. p. 888 (1766); Daud. Rept. vi. 
p- 302 (1803). 
—— janthinus, Daud. t.c. p. 273. 
Herpetodryas viridissimus, Schleg. Phys. Serp. ii. p. 182, pl. vii. 
figs. 10 & 11 (1837). 
Dryophylax viridissimus, Dum. § Bibr. vii. p. 1106 (1854). 
Philodryas viridissimus, part., Giinth. Cat. p. 123 (1858). 
—— viridissimus, Giinth, Ann. § Mag. N. H. (8) ix. 1862, p. 127, 
l. ix. fig. 8. ; 
P beldeyas crassifrons, Cope, Proc, Ac. Philad. 1860, p. 559. 
Eye half length of snout. Rostral much broader than deep, just 
visible from above ; internasals as long as or a little shorter than 
the preefrontals; frontal once and one fourth to 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 preocular, not quite reaching the frontal; two post- 
oculars; temporals 1+2 or 1+3; eight upper labials, fourth and 
fifth entering the eye; five lower labials in contact with the 
anterior chin-shields, which are as long as or a little longer than 
the posterior. Scales smooth, with double apical pits, in 19 rows. 
Ventrals angulate laterally, 206-228; anal divided; subcaudals 
106-131. Uniform green above, yellowish green beneath, 
Total length 990 millim. ; tail 280. 
Guianas to Eastern Peru. 
a-b,c. 5 (V. 215, 223, Berbice. 
212; O, 128, 123,114). 
d. 2 AS re s 181). oma = 
e. 2 (V. 225; C. 126). ayenne. . ©. Rothery, Esq. [P.].. 
f. & (V. 206; C. 106). Huallaga R. a Sts 
3. Philodryas olfersii. 
Coluber olfersii, Licht. Verz. Doubl. p. 104 (1823). 
—— pileatus, Wied, Beitr. Nat. Bras. i. p. 344, and Abbild, (1825). 
erbeus, fe l. c. p. 849. 
Herpetodryas olfersii, part., Schleg. Phys. Serp. ii. p. 183, pl. vii. 
Gthe Re Th ee es earn 
Dryophylax olfersii, Dum. § Bibr. vii. p. 1109 (1854) ; Jan, Icon,. 
Gén. 49, pl. iii. figs, 2-4 (1879). 
Philodryas viridissimus, part., Guinth. Cat. p. 123 (1858). 
olfersii, Giinth. 1. c. p. 124; Boettg. Zeitschr. f. Naturw. lviii. 
1885, p. 234. 
Dryophylax olfersii, part., Burm. Reise La Plata, ii. p. 529 (1861). 
Philodryas reinhardti, Giinth. Ann. § Mag. N. H. (8) ix. 1862,. 
p. 128, pl. ix. fig. 7. 
—— latirostris, Cope, Proc. Ac. Philad. 1862, pp. 73 & 348. 
Dryophylax viridissimus, Jan, Icon. Gén. 49, 1. xi, fig. 1 (1879), 
Eye about two thirds length of snout. Rostral a little broader: 
than deep, just visible from above; internasals shorter than the 
prefrontals ; frontal once and a half to once and three fourths as long 
VOL, III, K 
