from Nossi BS^ Madagascar 23 



S. 2. 



millini. millini. 



Total leiifrtli 260 237 



From end of snout to extremity of man- 

 dible 30 27 



From end of snout to extremity of casque 41 33 

 Greatest width between lateral cranial 



crests 16 13» 



Depth of skull (mandible included) .... 27 21 



Width of head 19 16 



Body 95 80 



Tibia 21 17 



Tail 135 120 



Several specimens, male, female, half-grown, and young. 



Chamceleon Boettgeri. (PI. II. fig. 3.) 



Casque scarcely elevated posteriorly ; no well-marked 

 crests ; occiput convex, forehead concave ; upper head-scales 

 very unequal in size ; a compressed, rounded, scaly dermal 

 lobe on the end of the snout in both sexes, as in C. nasutus ; 

 tlie length of this appendage a little less than the diameter of 

 the eye ; a rather large occipital dermal lobe, not notched 

 mesially. Back and sides with unequal-sized, small, flat 

 granules ; ventral granules equal ; limbs Avith scattered, 

 distinctly enlarged, round, flat tubercles ; male with a dorsal 

 crest of widely separated, isolated, soft spines ; no gular nor 

 ventral crest. No tarsal process. Tail a little longer than 

 head and body. A blackish streak on each side of the head, 

 passing through the eye ; male with a light lateral band. 



6. 2- 



millim. millim. 



Total length 110 94 



Length of head 18 15 



Rostral appendage 4 3 



AVidth of head 8 7 



Body 37 35 



Tibia 8 7 



Tail 55 47 



Three specimens, two males and one female. 



