Batrachians of the Province Rio Grande do Sul. 437 



Thamnodynastes strigatus. 



Tomodon strirjatus, Giinth. Cat. Col. Sn. p. 52. 



Tacliymenis humconia, Cjpe, Prjc. Acad. Philad. 1860, p. 247 ; Giinth. 



Zool. Rac. 186(3, p. 126; Copj, Proc. Am. Pliilos. Sjc. xxii. p. 192. 

 Memtes obtrusns, Jan, Avcli. per la Zool. ii. 1863, p. 96, and Icon. Oph. 



18, pi. vi. fig-. 1. 

 Thamnodi/nasies pimctatissimus (non Wap^l.), Hens. /. c. p. 332. 

 T/'iamnodi/nades Nattereri, var. Icevis, Bouleng. Ann. & Mag. Nat. Hist. 



(5) xy." p. 195. 



B. M. ; V. T. 



OXYEHOPUS, Wagl. 



A. Seven upper labials (normally) ; loraal not or scarcely 

 longer than deep. 



a. A whitish blotch covers the occiput and nape clceUa. 



b. Uniform brown or blackish above plumheus. 



B. Eight upper labials. 



a. Blackish above, black -and-yellow spotted inferiorly .... clathratus. 



b. Above with black cross bands or rhomboidal spots ; lower 



parts yellowish, uniform or brown-dotted petalarius. 



Oxyrliopus clwlia. 



Coluber clailia, Daud. Rept. vi. p. 330, pi. Ixxviii. 



Lycodjn clopHa, part., Schleg. Serp. ii. p. 114. 



Brachifruton doelia, Dum. & Bibr. vii. p. 1007 ; Jan, Icon. Oph. 35, 



pi. i'. fig. 1. 

 Oxyrhopui clmlia, Giinth. Cat. Col. Sn. p. 189. 



B. M. ; V. I. One specimen, from near Rio Grande. 



Oxyrliopus plumheus. 

 Coluber plumbeiis, Wied, Abbild. ; Schleg. Serp. ii. p. 152, pi. vi. figs. 



3 & 4. 

 Brac.hyruton pluinheus, Dum. & Bibr. vii. p. 1004; Jan, Icon. Oph. 



35, pi. i. fig. 3. 

 Oxyrliopus plumheus^ Giinth. Cat. Col. Sn. p. 189; Cope, Proc. Amer. 



Philos. Soc. xxii. p. 193. 



B. M. ; V. I. 



Oxyrhopus clathratus. 



Oxyrliopus clathratus, Dum. & Bibr. vii. p. 1026 ; Jan, Icon. Oph. 35, 



pi. iii. fig. 1. 

 Oxyrhopus immacidatus (non D. & B.), Hens. /. c. p. 3.33. 



Oxyrhopus petalarius. 

 Coluber petalarius, Linn. S. N. i. p. 387. 

 Oxi/rhopus petalarius, Wagl. Svst. Amph. p. 185 ; Dum. & Bibr. vii. 



p. 10J3 ; Hens. I. c. p. 333 ; Jan, Icon. Oph. 36, pi. i. figs. 1 & 2. 

 Oxyrhopus rhomhifer, Dum. & Bibr. p. 1018; Jan, Icon. Oph. 35, 



pi. v. fig. 2 ; Cope, Proc. Am. Philos. Soc. xxii. p. 193. 

 Oxyrhopus subpunctatus, Dum. & Bibr. p. 1016. 

 Oxyrhopus biprceocularis, Dum. & Bibr. p. 1030. 



B. M. i V. I. 

 Ann,& Mag. N. Hist. Ser. 5. Vol. xviii. 30 



