HEMIDACTTLUS. 83 



a'. Lamellae not exceeding 8 under inner 



and 11 under median toe. 

 a". Digits free. 



a. 4 to 6 lamellae under inner, and 7 



or 8 under median toe ; dorsal tuber- 

 cles in 16 to 20 longitudinal series ; 



male with 8 to 12 femoro-praeanal 



pores on each side H. gleadomi, p. 86. 



|3. 6 to 8 lamellae under inner, and 9 



to 11 under median toe ; tubercles in 



14 or 16 longitudinal series ; male 



with 2 to 5 praeanal pores on each 



side H. titrcicus, p. 87. 



y. 6 or 7 lamellae under the inner, and 



8 to 10 under the median toe ; tuber- 

 cles in 16 to 20 longitudinal series ; 



male with G to 8 pores on each side. H. triedrus, p. 89. 

 b". Digits webbed at base; tail depressed, 

 flat below, with sharp denticulated 



lateral edge H. depressus, p. 90. 



V. Lamellae more than 8 under inner, and 



more than 11 under median toe. 

 a". Infradigital lamellae obliquely 

 curved ; dorsal tubercles in 14 to 16 

 longitudinal series ; male with a 



few (8) praeanal pores H. persicus, p. 88. 



b". Infradigital lamellae straight, trans- 

 verse ; dorsal tubercles in about 20 

 longitudinal series; male with 19 to 

 25 femoral pores on each side .... H. maculatus, p. 88. 

 c". Infradigital lamellae slightly oblique ; 

 dorsal tubercles in 18 or 20 longitu- 

 dinal series H. subtriedrus, p. 90. 



b. Enlarged dorsal tubercles, if present, small, 



smooth, conical, or very feebly keeled. 

 a'. Digits free or very slightly webbed at 



base. 



a". Tail with enlarged tubercles above, 

 a. 9 to 11 lamellae under median toe, 

 and 6 or 7 under inner ; male 

 with 12 to 16 femoral pores on each 



side H. leschenaultii, p. 91. 



/3. 11 to 13 lamellae under median toe, 

 and 8 to 10 under inner; male with 

 5 or 6 femoral pores on each side . . H. coctai, p. 92. 

 //'. Tail transversely oval or ellliptical 

 in section, with uniform small 

 scales above. 



a. Infradigital lamellee straight, trans- 

 verse, 11 or 12 under the inner, and 

 13 to 15 under the median toe .... H. giganteus, p. 92. 

 /3. Infradigital lamellae obliquely 

 curved, 5 to 7 under the inner, and 



9 or 10 under the median toe .... H. bmoringii, p. 93. 

 c". Tail flat beneath, with sharpish, 



denticulated lateral edge, covered 

 above with uniform small scales. 



G2 



