164. PHIIODETAS. 129 



2. FMlodryas Tiridissimus. 



Meirem, Beytr. i. p. 45, pi. xii. (1790). 



Coluber viridissimus, Linn. S. 2^. i. p. 388 (1766) : Baud. Sept, vi. 



p. 302 (1803). 



jantliinus, Baud. t. c. p. 273. 



Herpetndryas viridissimus, Schleg. Phys. Serp. ii. p. 182, pi. vii. 



figs. 10 & 11 (1837). 

 Dryophylax viridissimus, Dum. Sr Bibr. vii. p. 1106 (1854). 

 Philodryas viridissimus, part., Gunth. Cat. p. 123 (1858). 

 viridissimus, Ounth. Ann. ^ Mag. N. H. (3) ix. 1862, p. 127, 



pi. ix. fig. 8. 

 ? Philodryas crassifrons. Cope, Proc. Ac. Philad. 1860, p. 559. 



Eye half length of snout. Eoatral much broader than deep, just 

 visible from above ; intemasals as long as or a little shorter than 

 the prsefrontals ; 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 prseocular, 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 m 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 miUim. ; tail 280. 



Guianas to Eastern Peru. 



a-b, c. c? (V. 216, 223, Berbice. 



212; 0.128,123,114). 



d. 2 (V. 218; 0.131). Demerara. 



«. 2 (V. 225 ; 0. 126). Oayenne. H. 0. Kothery, Esq. [P.I 



/. S (V. 206 ; 0. 106). HuaUaga R. 



3. Philodryas olfersii. 



Coluber olfersii, Licht. Verz. Doiibl p. 104 (1823). 



pileatus, Wied, Beitr. Nat. Bras. i. p. 344, and Abbild. (1825). 



herbeus, Wied, I. v. p. 349. 



Herpetodryas olfersii, part., Schleg. Phys. Serp. ii. p. 183, pi, vii. 



figs. 14 & 15 (1837). 

 Dryophylax olfersii, Dum. <§• Bibr. vii. p. 1109 (1854) ; Jan, Icon, 



GSn. 49, pi. iii. figs. 2-4 (1879). 

 Philodryas viridissimus, part , Qiinth. Cat. p. 123 (1858). 

 olfersii, Gunth. I. c. p. 124 ; Boettg. Zeitachr. f. Naturw. Iviii. 



1885, p. 234. 

 Dryophylax olfersii, part., Burm, Meise La Plata, ii. p. 629 (1861). 

 Philodryas reinhardti, Giinth. Ann. Sf Mag. N. H, (3) ix. 1862, 



p. 128, pi. ix. fig. 7. 



latirostris, Cope, Proc. Ac. Philad. 1862, pp. 73 & 348. 



Dryophylax viridissimus, Jan, Icon. Gin. 49, pi. xi. fig. 1 (1879). 



Eye about two thirds length of snout. Tlostral a little broader 

 than deep, just visible from above ; intemasals shorter than the 

 praefrontals ; frontal once and a half to once and three fourths as long 



VOL. ni. K 



