SNAKES. 19 



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. Fijueu. Presented by Robert Bennett, Esq. 



g. Adult. Berbice. 



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

 variety.) 



i. Adult. Tobago. Presented bv 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. 



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

 ;;. 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, Dum. fy Bibr. p. 862. 



Above with alternate black and white rings ; beneath uniform 

 whitish. 



«. Adult. Mexico. From Hugo Finck's Collection (cf. Elaps 

 fulvius). 



15. Homalosoma, Wagler. 



Body moderate ; tail rather short ; head small ; two pairs of 

 frontal shields, front pair rather smaller ; one nasal, pierced 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; Dum. ty 

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

 sp., Coluber, sp., a/ict. prior. 



