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Dr. Haflelquift, a ptff>il of the celebrated Linnaeus, 
who was in Egypt in 1750, has given us a particu- 
lar defcription of this curious animal ; but neither he 
nor the former writers on Egypt, that mention the 
Ceralfes, fay any thing about the venom of its bite. 
This we are informed of only by Dr. Turnbull, who 
lived many years in Egypt, both at Alexandria and 
Cairo, and who was fo kind to prefent me with two 
Ipecimens of it. 
Dr. Linnaeus, in his Syftem of Nature, p. 217, 
calls it Coluber ceraftes. 
Dr. HafTelquift, in his Iter. p. 3 1 5, Coluber cornu- 
tus ; the following is an extract* from his defcrip- 
tion. 
The head, 
The eyes 
The tongue 
between the horns, is much depreffed ; 
the cheeks are fwellcd out, fo that 
the hinder part of the head is confi- 
derably thicker than the neck ; the 
fnout is fhort and blunt; the outward 
front of the upper and under jaws 
have a fmall cavity, or depreffion, in 
both ; the noftrils project like thole 
of a pug dog. 
have a perpendicular narrow and black 
pupil ; the iris is of a yellowilh grey 
colour ; the orbits of the eyes are 
neatly let round with fmall hemifphe- 
rical fcales. 
is divided at the extremity into two 
parts. 
The 
