352 Zoological Society : — 



A. Dumeril (Arch, du Mus. vi. t. 22. f. 9) figured a " C. capu- 

 chon" with a well-marked dentated line of scales on the chin. It is a 





Calumma cucullata. 

 very distinct species. Described above (at page 346) as C. monachus. 



B. Nose simple ; orbit angularly produced in front. 

 8. Brookesia. 

 Nose of both sexes simple. The eyebrows produced above into 

 triangular horns. Scales very minute. Chin, back, and belly not 

 toothed ; the sides of the back with a longitudinal series, and the 

 chin with an arched series, of subulate erect scales. Tail short, 

 compressed at the base. 



1. Brookesia superciliaris. B.M. 



Chamceleo superciliaris, Kuhl. 



C. Brookesianus, Gray, Cat. B. M. 270 ; cop., A. Dum. Arch, du 

 Mus. vi. t. 22. f. 14. 



Chamceleon Brookesii, Fitz. Syst. Rept. 

 Hab. West Africa. 



C. Nose and orbit of male with cylindrical horns. 

 9. Triceras. 

 Chamceleon, § Triceras, Fitz. Syst. Rept. 43. 

 The nose of the male with three horn-like processes, covered witTi 

 a conical, continuous, horny sheath — one from the front of each orbit, 

 and the other from the middle of the nose. Chin simple. Back, 

 chin, and belly not crested. Occiput flat, with a slightly raised 

 central line. Scales uniform, granular. 



1. Triceras Owenii. B.M. 



Chameleo Owenii, Gray, Cat. 269; Zool. Misc. t. 4 ; cop., A. Dum. 

 Arch, du Mus. vi. t. 22. f. 10 (head). 



5 . C. Bibronii, Martin. 



Chamceleon Owenii, Fitz. Syst. Rept. 102. 



Dark brown in spirits, with several series of oval longitudinal spots; 

 those on side of back forming a pale band ; eyelid dark-rayed. 



Hab. Fernando Po (Capt. Edw. Owen). 



