VEliTOMOUS SEKPENTS. 
183 
mark on the neck is only seen in young individuals. Feeds 
on frogs. 
2. Naja Haje. — Analogous to the preceding, but it 
has a less extensile neck ; a head more conical ; a rostral 
plate salient ; labial plates broader, and different tints. 
S. 208 + 58. 23 rows of scales. Brownish, varied with 
dark and pale spots. Inhabits Egypt ; a climatal variety 
exists at the Cape : it has a system of colours little con- 
stant, varying from brown to yellow, and even to white. 
It is the asjpis^ properly so called, celebrated in antiquity ; 
and also in our days by the tricks which the sorcerers of 
Egypt perform with it. 
3. Naja Bungarus. — Figure more slender, and size 
less than the preceding species. Muzzle short, and a 
little truncated at the tip ; eyes large ; tail attenuated ; 
and dorsal scales a little larger than the rest. S. 250 + 
30, simple, and +80 divided; or 252 + 23 sim. + 118 
div. 19 rows of scales. Above a blue-black, relieved by 
numerous angular whitish marks. Inhabits the Islands 
of Java and Sumatra ; a very rare species. 
4. Naja Bui^garoides. — Besembling the last in the 
colours ; but the head more broad and clumsy ; the scales 
of equal size ; the tail shorter, and the eyes smaller. S. 
214 + 52 simple plates. 21 rows of scales. 
5. Naja porphyrica. — Habit of the spectacle snake; 
head of less size ; has 15 rows of scales only ; muzzle 
very obtuse, &c. Above blue-black ; sides rosy-purple ; 
below yellow. S. 180 + 50, in part simple. Found on 
the sandy downs of New Holland. 
6. Naja Hjemachates. — A species well characterized 
by its massive figure ; by its head broad at the base, and 
pointed at the snout ; and by its carinated scales, dis- 
posed in 19 rows. The neck is a little extensile. S. 
137 + 40. Purplish-black, varied with yellow. Inhabits 
the sandy plains of the Cape of Good Hope. 
7. Naja rhombeata. — Of smaller size than the last, 
of which it has nearly the habit. 19 to 21 rows of scales 
feebly carinated on the back. Tail extremely vigorous 
and short. S. 134 + 21. No solid teeth behind the 
fangs. Pale grey, below paler ; a series of lozenge- 
