154, oxyRHoPvs. 101 
TABLE sHOWING NuMBERS oF ScALES AND SHIELDS. 
Se. Vv. 0. Lab. 
|] DELOLATUUS ...cencasvsesecsecess 19 191-222 78-126 8 (9) 
Yo Reebd fer ..25) csbhe cdeasesss 19 174-225 47-80 8 
UIGEMINUS ...sesesvenssvevsees 19 174-203 | 55-88 8 
] DiCOrquatus ...cccccccsceceess 19 185-206 76-89 8 
MELANOGENYS .osceeessvecsecees 19 206 79 8 
COMMONS .....0sssieosasecerseeess 19 183-199 61-80 8 
SOPMMOBUS — ecsechvadessceseorer 19 182-203 51-73 8 
ORE face SRS 19 172-201 57-78 8 
CLALMIatus ...c..cnnsssoeesesse 19 190-205 66-85 8 
PANG ETE evcsascecsineee. cones 19 232-236 77-81 8 
GEG 5. IEAM aap es oe sisccneeés 17-19 198-237 64-93 7 (8) 
SAOULTERE < saebadesess..seeces 19 214 51 7 
OCCIpitolUteUs s.sersserseeees 19 204-215 67-85 “hig! 
PRIGOME 5, 1, trates coseescsgiess 19 197-223 44-61 7 (8) 
COPONMINIB™ sigassesssccessuseses 17 171-208 80-97* ys 
NMEUWHEAE. sasrerceccsccesececes 19 177-205 64-96* 8 (7) 
DP GMOPONE Kanye akaesvecss ceases 19 185-211 70-99* 8 (7) 
* All or most single. 
1. Oxyrhopus petolarius. 
Coluber petolarius +, Linn. Mus. Ad. Frid. p. 35, pl. ix. fig. 2 (1754), 
and 8. N. i. p. 387 (1766) ; Daud. Rept. vi. p. 307 (1863). 
—— pethola, Linn. S. N.i. p. 387. 
digitalis, Reuss, Mus. Senckend, i. 1834, p. 148, pl. ix. fig. 1. 
Lycodon petolarius, part., Schleg. Phys. Serp. ii. p. 122, pl. iv. figs. 20 
ee 21 (1837). 
—- er yigiby semifasciatus, Tschudi, Faun. Per., Herp. p, 54, 
pl. vii. (1846) 
Oxyrhopus multifasciatus, Dum. § Bibr. vii. p. 1019 (1854). 
—— spadiceus, Dum. § Bibr. t. ¢. p. 1028. 
—— immaculatus, Dum. § Bibr. t. c. p. 1029; Guichen. in Casteln, 
Anim, Nouv. Amér. Sud, Rept. p. 64, pl. xiii’, (1855) ; Ginth, Cat. 
p. 191 (1858) ; Jan, Icon. Gén. 35, pl. vi. fig. 1 (1870). 
— bipraocularis, Dum. § Bibr, t. ce. p. 1030; Gtinth. 1. c. 
—— petolarius, Dum. § Bibr. t.c. p. 1033 ; Giinth, Proce, Zool. Soe. 
1859, p. 414; Jan, Icon. Gén. 35, pl. vi. fic. 2, & 386, pl. i. figs. 1 
& 2 (1870) ; Cope, Journ. Ac. Philad. (2) vill. 1876, Pp. 132 ; Giinth. 
“T, C-Am., t. p. 167 (1895). 
‘JB, Dum. wa Bibr. t. e. p. 1036. 
- moderately large, its diameter about half the length of the 
~uvut, Which is rounded and scarcely projecting. Rostral broader 
than deep, just visible from above; internasals much shorter than 
the preefrontals; frontal once and one fifth to once and one third 
as long as broad, as long as its distance from the end of the snout, 
as long as or a little shorter than the parietals ; loreal much longer 
t The name is misspelt “ petalarius” in the ‘Systema Natura,’ 
