SNAKES. ■ VJ 



Crown and neck dark brown, sides of head and neck with 

 some white specks; above one or three or five black longitudinal 

 streaks. 



Var. A. A single dorsal streak. 



a. Adult Para. From Mr. Stevens's Collection. 



b-d. Adult and half-grown. Para. From Mr. Stevens's Col- 

 lection. 



e,f. Half-grown. Fijucu. Presented by Robert Bennett, Esq. 



g. Adult. Berbice. 



A. Half-grown. Granada. From M. Salle"s Collection. (Dusky 

 variety.) 



i. Adult. Tobago. Presented by W. J. A. Ludlow, Esq. 



k. Adult : bad state. West Indies. Presented by Colonel Reid. 



/. Adult : not good state. America. 



m. Adult : discoloured. America, From the Haslar Col- 

 lection. 



n. Half-grown. America. Presented by Edward Laforest, Esq. 



Var. B. Five longitudinal streaks on back. 



0. Adult. South America. Presented by G. Busk, Esq. 



p. Adult. Rio Janeiro. Presented by G. Busk, Esq. 



q. Half-grown. Honduras, 



r. Young. Venezuela. From Mr. Dyson's Collection. 



2. HOMALOCRANION SEMICINCTUM. 



Homalocranion semicinctum, Dujn. 4' Bihr. p. 862. 



Above with alternate black and white rings ; beneath uniform 

 whitish. 



a. Adult. Mexico. From Hugo Finck's Collection (cf. Flaps 

 fulvius). 



15. HoMALOSOMA, WogUr. 



Body moderate ; tail rather short ; head small ; tw o pairs of 

 frontal' shields, front pair rather smaller; one nasal, ])ierced by 

 the nostril ; one loreal, one anterior, two posterior oculars. Scales 

 smooth, rhomboidal, in fifteen rows ; anal entire ; subcaudals 

 two-rowed; ventral plates rather narrow. Teeth equal, smooth. 

 South Africa. 



Homalosoma, Wagl. Nat. Syst. der Amph. p. 190; Bum. Sf 

 Bibr. vii. p. 109. Calamaria, sp., Schleg. Ess. ii. p. 36. Elaps, 

 sp.. Coluber, sp., auct. prior. 



