346 . Zoological Society: — 



each ; occiput contracted and short-edged behind, with a well-raised 

 central keel arched on its upper edge ; occipital flaps broad, rounded, 

 covered with large, flat, hexagonal scales ; scales small, equal ; chin 

 and belly dentated, covered with flat scales. 



In spirits, dark green, with a white spot behind the temple, and 

 also a white streak from the axilla ; forehead, temple, and side of 

 occiput white. 



Hab. E. Africa, Mozambique {MacLeod^ Dr. Peters). 



Var. Kirkii. The occipital lobes smaller. B.M. 



C. dilepisy Gray, P. Z. S. 1864. 



Hab. Eastern Africa {Dr. Kirk). A female. 



d. Occiput produced and acute behind, with a low keel, and tv)o large 



broad flaps behind, covered with large, irregular, convex shields; 

 scales of body and limbs with larger tubercles. 



6. Chameleon monachus. B.M. 



Brown (in spirits), dorsal keel and body white-speckled, upper 

 and lower lip at the gape, and ventral crest white ; the occipital flaps 

 large, with irregular, unequal, flat shields ; the body and limbs with 

 low, convex, larger tubercles. 



C. cucullatus, A. Dumeril, Arch, du Mus. vi. t. 6. f. 9 (not Gray). 



C. Parsonii, Cat. Mus. Zool. Soc. MS. 



Hab. Madagascar. 



The head of this species is not well figured as that of C. cucul- 

 latus by M. A. Dumeril. It is at once known from that species 

 by the form of the occiput, and the crest on the chin and belly. It 

 is a fine large species. We received it from the Zoological Society 

 in 1855. 



e. Occiput broad and rounded behind, flat above, with a scarcely 



raised central line behind. 



•f The sides of the occiput with small granular scales. Erizia. 

 * Chin and belly with a distinct denticulate line of white scales. 



7. Cham^eleon senegalensis. Gray, Cat. B. M. 286; A. Dum. 

 Arch, du Mus. vi. t. 22. f. 7 (fig. bad) ; Fitz. Syst. Kept. 41. B.M. 



1 C. leptopus, Fitz. Syst. Kept. 41. 



Scales large ; head broad and rounded behind ; occiput covered 

 above with convex scales. 



In spirits, brown or purplish. 



Hab. West Africa, Senegal {Earl of Derby). 



8. Chameleon l.«vigatus. Gray, P. Z. S. 1863 ; Ann. & Mag. 

 N. H. 1863, xii. 248. B.M. 



Scales minute ; the dorsal crest very indistinct, only visible on 

 the nape ; head rhombic behind ; occiput covered above with flat 

 thin scales. 



Hab. Central Africa, Chartoom {Petherick). 



Probably only a young specimen of the preceding. 



