1. CHAM.TXEON. ' 461 



25. Chamaeleon tigris. 



Chaniseleo tipfiis, Groij, Cat. p. 208. 

 Chamaeleo tigiis, Kuhl, Beitr. Zool. J'erf/l. Anut. p. 104; Gray, Spicil. 



Zuol. p. 2, pi. iii. fi|5. 2; Butn. iSf Bibr. iii. p. 212; A. Bum. Arch. 



Mtts. vi. pi. xxii. fi^^ .'{. 



jeyuhellensis, Kuhl, I. c. p. 105. 



Lopbosaui'u tin^iis, Gray, Proc. Zool. Soc. 1864, p. 475. 



Casque very feebly elevated posteriorly ; the distance between 

 the commissure of the mouth and the extremity of the casque is less 

 than the length of the mouth ; no rostral appendages ; crests strong, 

 tubercular, parietal bifurcating anteriorly and joining the supra- 

 ciliary ])ortion of the lateral ; sometimes some of the tubercles on 

 the back of the casque spinose ; no occipital lobes. Scales very 

 small, tiat, squarish ; a vertebral crest of isolated conical tubercles ; 

 no ventral crest ; a gular crest of isolated pointed tubercles ; a scaly 

 dermal lobe on the chin. No tarsal process. Tail nearly as long 

 as, or a little longer than, head and body. 



millim. millitn. 



Total length 210 196 



From end of snout to extremity of man- 

 dible 23 22 



From end of snout to extremity of casque 29 27 

 Greatest -width between lateral cranial 



crests 12 12 



Depth of skull (mandible included) .... 17 18 



Width of head 12 13 



Body 77 74 



Tibia 17 17 



Tail 110 100 



Seychelles, Zanzibar. 



a-h, c. (^ $. Sevcbelles. Dr. E. P. Wright [P.]. 



d. Hgr. SeycheUes. T. Bell, Esq. [P.]. 



e. 2 • Seychelles. 



f-k. J, 2, & yg. Zanzibar. Capt. J. E. Parish [P.]. 



26. ClianiaBleon affinis. (Plate XXXIX. fig. 7.) 



Chamaeleon afhnis {liiipp.), Gray, Proc. Zool. Soc. 1863, p. 95, and 

 1864, p. 472. 



Casque not raised posteriorly, continuous with the body ; a slight 

 indication of a parietal crest ; the distance betw( en the commissure 

 of the mouth and the extremity of the casque slightly exceeds the 

 distance between the former point and the nostril; no loslral 

 appendages * ; lateral crest obtuse ; no trace whatever of occipital 

 lobes. Body coarsely granular, a few of the granules on the sides 



* My knowledge of the male is derived from notes kindly drawn up at my 

 request by Dr. Boettger. 



