6 9 



| A lateral series of enlarged, distant 

 scales; tail with a strong crest . . . 

 || 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. D. punctatus^ p. 75. 



8. D. lineatus, p. 76. 



9. D. beccarii, p. 77. 



10. D. spilonotus, p. 77. 



11. Z>. modlglianii^ p. 78. 



12. Z>. ochroptenis^ p. 79. 



13. D. fimbriatus^ p. 79. 



14. D. cristatellus^ p. 80. 



15. D. majcitHUS) p. 8l. 



1 6. D.qutnqucfasciatus, p. 81. 



17. D. cryptotis, p. 82. 



