Dr. Haffelquift, a jniptt of the celebrated Linn*us, who was in ggj pt in 1750, has given ujs a particular rfcl'crip-tien of this curious animal j bot neither he, nor the forjne*’writers onJBgypt, that mention the Cersftes, 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 £airo# and who was fo hind as to prefent me with two ipeci-mens of it.