69 



t A lateral scries of enlarged, distant 

 scales; tail with a strong crest . . . 

 tf No enlarged lateral scales. 



I. Tympanum usually scaly; mem- 

 branes dark brown above, with 

 light longitudinal lines, sometimes 

 also light transverse bands .... 

 II. Tympanum usually naked. 



1. Membranes orange, brown or 

 yellow above, with a black outer 

 border and black spots near the 

 outer margin 



2. Membranes yellowish above, 

 with small black spots on the 

 basal part 



3. Membranes reddish -brown, 

 black along the margin, with 

 indistinct lighter spots 



c. Dorsal scales smaller than ventrals. 



1. Tympanum scaly; no caudal crest; 

 no enlarged lateral scales 



2. Tympanum naked; a caudal crest; 

 a lateral series of enlarged scales 

 on the posterior part of the body 



3. Tympanum partly naked ; a caudal 

 crest; no lateral series of enlarged 

 scales 



B. Nostril vertical, directed upwards. 



I. Tympanum scaly. 



a. The hind limb reaches the axilla; 

 four widely separated enlarged scales 

 on each side of the back: gular sac one 

 time and a half the length of the head 



b. The hind limb reaches slightly beyond 

 the elbow; lateral series of enlarged 

 scales very indistinct; gular sac not 

 quite twice the length of the head . . 



c. The hind limb reaches slightly beyond 

 the shoulder; four groups of enlarged 

 scales on each side of the body ; gular 

 sac shorter than the head 



II. Tympanum naked. 



a. The hind limb does not reach beyond 

 the axilla. 



7. Ih ptmc tains ^ ]>. 75. 



8. D. liiicatus^ p. 76. 



9. D. bcccarii^ p. 77. 



10. D. spilonotus^ p. 77. 



II. D , modigliaiii'i ^ p. 78. 



12. D.ochroptous^ p. 79. 



13. />. fimbrlatus^ p. 79. 



14. D. crislatcllus^ p. 80. 



15. J), maxijiiiis^ p. 81. 



16. D. qidnqtufascialus^ p. 81. 



17. D. cr yp toils ^ p. 82. 



