218 REPTILES. 



The Cuban BoQUET. Leiocephalus MacLeayii. L. carina- 

 tus, Gray^ Ann. N. H. Roquet, MacL. Trans. Zool. Soc. i. 183. 



Dorsal crest moderate, low, equal, on the back, loins and tail ; 

 tail compressed, brown-ringed ; olive, with indistinct, pale, cross 

 bands ; muzzle with 2 pair of moderate transverse scales in front 

 of the pair of large broad squarish frontonasal plates, the interpa- 

 rietal plate triangular ; scales of the back large, rhombic, keeled ; 

 of the nape nearly equally large, in 11 series; of the belly smooth, 

 torn on the edge. 



a. Adult, in spirits. Head-shields with longitudinal ridges. Cuba. 



Presented by W. S. MacLeay, Esq. 



b. Half-grown, in spirits. Head-shields smooth. Cuba. Pre- 



sented by W. S. MacLeay, Esq. 



Schreiber's Roquet. Leiocephalus Schreibersii. Tropidu- 

 rus Schreibersii, Fitz. Verz. 49. Gravenh. Act. Nat. Cur. xviii. 

 739, t. 54, /. 15, 16. (head). Holotrophis microlophus, Cocteau, 

 Sagra^ Cuba,Rept.t. 5. Dum.etBih.E. G^. iv.264. Lion Lizard, 

 Catesbi/, Carol, ii. t. 68. Tropidurus Leiolaemus Cubensis, Gray^ 

 Ann. N. H. v. 110. 



The dorsal and caudal crest very small, equal ; head-shields 

 longitudinally rugose ; tail roundish, slightly compressed ; scales 

 thin, keeled, moderate ; ventral scales scarcely larger, not keeled ; 

 fulvous brown, with 2 pale streaks on each side. 



a. In spirits. Cuba. Presented by W. S. MacLeay, Esq. 



ff Eyebrow-disk ivith scales in front and larger shields behind. 



Holotrophis. 



Gray's Roquet. Leiocephalus Grayii, Bell^ Zool. Beagle, 

 Rept. 21, t. 13,/. 1. 



Dorsal crest compressed, of the back and tail equally high ; 

 tail rather compressed ; the ears 4-toothed in front ; eyebrow-disk 

 with imbricate scales in front and 4 band-like shields behind ; 

 head-shields convex, smooth ; iutei^parietal plate sunken, united 

 to the surrounding plates ; olive, black-spotted ; scales of the back 

 broad, short, rhombic, dagger-pointed ; of the nape smaller ; of 

 the belly rhomboidal, smooth, torn on the edge. 



a. In spirits. Charles Island, Galapagos. Presented by Charles 



Darwin, Esq. 



b. Adult, in spirits. With a pale streak on each side. Galapa- 



gos. Presented by Charles Darwin, Esq. 

 c — e. Half-grown, in spirits. Scales of neck less dagger-pointed. 



Galapagos, Presented by Charles Darwin, Esq. 

 /. Very young, in spirits. Pale oUve, with a paler streak on each 



side and a dark one above. Galapagos. Presented by Chas. 



Darwin, Esq. 



