SNAKES. ^^ 



The front and hinder lower labial shields moderately wide, 

 equal ; the smallest of the two nasal plates with a longitudinal 

 groove ; the frontal plate divided into two longitudinally, and fol- 

 lowed by other symmetrical plates ; one supra-ocular on each side ; 

 rostral plates, with two front pair of upper and three hinder pair of 

 lower labial shields pitted. 



a. Inspirits. Adult; partly bleached. India. Old collection. 



b. In spirits. Adult. From Mr. Gardener's collection. 



c. Stuffed. Adult. India. 



d. In spirits. Adult ; partly bleached. India. Presented by the 



Royal College of Surgeons. 



e. In spirits. Young. India. Presented by General Hardwicte ? 

 /. In fluid. Adult. India, Madras. Presented by J. C. Jerdon, 



Esq. 

 g. In fluid. Adult. India. From Major Hogg's collection. 

 h. In spirits. Adult ; nearly bleached, India. Old collection. 

 i,j. Stuff'ed. Adult. Singapore. 



3. HORTULIA. 



Head covered with irregular scales ; front of forehead and 

 muzzle shielded ; frontal plates three pairs ; rostral and upper and 

 lower labials pitted : nostrils lateral, between two unequal plates : 

 eyes lateral ; pupil linear, erect : scales smooth ; subcaudal plates 

 two-rowed. Africa. 



Hortulia and Python, b, Gray, Zool. Misc. 43, 1842. Heleio- 

 nomus? Gray, Zool. Misc. 43, 1842. Python, a, Dum. ^ Bib. 

 Erp. Gen. 400. Enygrus sp., Wagler, Syst. Amph. 166, 1830, 

 not Dum. ^- Bib. Constrictor sp., Wagler, 168. Python sp,, Daud., 

 Cuvier, S^c. Boa sp., Schneider, ^c. 



* Tivo pairs of front upper labials pitted ; supra-ocular shields 



2 or 3. 



1. The Natal Rock Snake. Hortulia Natalensis, Gray, Zool. 

 Misc. 44. Python Natalensis, A. Smith, S. Afric. Quart. Jour. 64. 

 III. Z. S. Africa, t. 9. Dum. 8r Bib. Erp. Gen. vi, 409. 



Two front pairs of upper labial shields pitted ; the internasal 

 larger than the front nasals ; one pair of prefrontals ; three supra- 

 ocular shields on each side. Olive; back with irregular, unequal, 

 black-edged, yellow cross bands and spots: head with an arrow- 



I 3 



