218 
opake lower eyelids. It differs from that genus in the smoothness 
of the scales, the shielded underside of the tail and several other cha- 
racters. 
Corvucia zeBRATA. (PI. VIII.) 
Pale yellowish-white (in spirits); back with irregular blackish- 
brown cross-bands; upper part of limbs and tail blackish, varied ; 
head dark-brown. ; 
Hab. New Guinea, the Island of San Christoval, John Mac- 
Gillivray, Esq., two adult and young specimens. 
Length of adult nearly 2 feet. 
6. On Panoraa ALpROvANDI, Lam. 
By 8S. P. Woopwarp, F.G.S. 
The specimen of Panopea Aldrovandi, preserved in spirits, and now 
Panoraa ALDROVANDI, Lam. 
(Chama glycimeris, Aldr.) 
One fourth natural size. 
a, a’, Adductor muscles. 
Pp, p’, Pedal muscles. 
r, Position of renal organ. 
t, Labial tentacles, or palpi. 
4, Body. 
JF, Muscular foot. 
m, Pallial muscle, or retractor of 
the mantle. 
s, Siphonal muscle. 
The arrows indicate the inhalant, 
or branchial siphon, and the exhalant 
or anal siphon, communicating with 
the channels above the gills. 
exhibited to the Zoological Society, was presented by Capt. Guise to 
