300 
REPTILES. 
prehensile; scales small, and particularly so upon the back of 
the head. 
Boa constrictor .— The Great Boa. 
Plate LXXI. fig. 6. 
Ground colour yellowish-gray, with a large chestnut-coloured 
interrupted chain, extending down the back from the head to 
the tip of the tail, and subtrigonal spots down the sides. Thir¬ 
ty-five feet long. Inhabits India, Africa, and South America. 
Genus 8.—ERIX.— Daudin. 
Generic Character .—Under the body and tail a row of longi¬ 
tudinal scales of a large size; head with nine plates; teeth small 
and pointed. 
Erix Clivica. — The Clivian Erix. 
Ash-coloured brown, with a cordated frontal scale. Inhabits 
the Duchy of Cleves, Westphalia. 
Genus 9.—ERPETON.— Lacepede. 
Generic Character. —Head with large plates, having two soft 
protuberances covered with scales, at the point of the muzzle ; 
those of the abdomen smaller; the scales under the tail different 
from the others. 
Erpeton tentacidatus .— The Tentaculated Erpeton. 
Total length four inches, the tail being about a third of its 
length. — Lacepede, An. Mus. II. pi. 50. 
*** Shields under the tail, set in pairs. 
Genus 10. — PYTHON.— Daudin. 
Generic Character. —Anal region furnished with lateral 
hooks ; neutral plates narrow; plates of the head large and nu¬ 
merous. 
+ 
Python rhombeatus .— The Long Spotted Python. 
Brownish-gray, with three alternating longitudinal rows of 
ovate and somewhat rhombic dusky spots, blue in the centres ; 
abdomen pale, clouded with blue-gray. Three feet long. In¬ 
habits Ambcyna. 
