EXPLANATION OF PLATES. 



PLATE I. 



Figure 1. Hyla vilsoniana sp. nov., la, dorsal view; lb, ventral 

 view showing also tongue and palatal characters; lc, side view of head. 

 All natural size. 



Figure 2. Frostherapsis subpunotatus sp. nov., 2a, dorsal view; 

 2b, ventral view showing also tongue and palatal characters ; 2c, side 

 view of head. All natural size. 



Figure 3. Jilunectes notwus Uope. 3a, b and e, respectively, lateral, 

 dorsal and ventral views of head. From a, dried skin; the chin shields 

 shrivelled and difficult to observe. One-half natural size. 



PLATE II. 



Figure 1. Anolis sulcifrons sp. nov., la, side view of head and 

 gular fan; lb, dorsal, and lc, ventral views of head; Id, ventral view 

 of hind leg and region of vent; le, section of tail showing scales from 

 dorsal to ventral surface. All X 1%- 



Figure 2. Anolis frenatus sp. nov., 2a to 2c, respectively, are views 

 corresponding to those shown in Figure 1. All natural size. 



PLATE III. 



All figures. Heterodonium bicoior gen. et. sp. nov., 1, entire animal 

 from above X 1% ; 2, 3 and 4, respectively dorsal, ventral and lateral 

 views of head X 3%; 5, ventral view of fore leg X 7; 6 and 7, ventral 

 views of thoracic and anal regions X 3%; 8, section of side of body 

 showing squamation. 



PLATE IV. 



Figure 1. Eelminthophis anops sp. nov., la>Jb, c and d, respectively, 

 dorsal, lateral, ventral and front views of head; le, ventral region; If, 

 lateral scales. All X 4. 



Figure 2. Liophis bimaculatus sp. nov., 2a, b and c, respectively, 

 dorsal, ventral and lateral views of head; 2d, anal region; 2e, lateral 

 view of section of body. All X 1%- 



Figure 3. heptognathus triseriatus sp. nov., 3a, b, c and d, re- 

 spectively, dorsal, ventral, lateral and front views of head; 3e, anal 

 region; 3f, section of side of body. All X 2. 



Figure 4. Eimantodes platycephalus sp. nov., 4a, dorsal, and 4b, 

 lateral views of head; 4c, anal region; 4d, section showing squamation 

 of side of body. All X 2%. 



