26 



b. Vomerine teeth between the choanae, 

 rarely absent. Fingers webbed at the base. 



a.. A dark cross-bar between the eyes. 21. //. jeudei p. 43. 

 |3. Two white longitudinal streaks pre- 

 sent, at least on the head 22. //. bicolor p. 44. 



y. Three white streaks along the back. 27. H. tkesaurensis p. 49. 

 S. No such markings 26. H. macrops p. 48. 



c. Vomerine teeth between the choanae. 

 Fingers l / 3 to '/ 2 webbed. 



x. Disks of fingers larger than tympanum. 28. H. latca p. 50. 

 /3. Disks of fingers as large as tympanum. 29. H. solomonis p. 50. 

 y. Disks of fingers smaller than tym- 

 panum 30. H. everetti p. 51. 



d. Vomerine teeth between the choanae, or 



absent. Fingers more than l / 2 webbed. (5. H. ber?isteini p. 31). 

 c. Vomerine teeth between the posterior 

 borders of the choanae. 

 a. Upper surface in preserved specimens 

 brown or grey, with or without white 

 markings. 

 \. Outer fingers webbed at the base. 



Canthus rostralis angular .... 23. II. imp ma p. 45. 

 t"j". Outer fingers webbed at the base. 



Canthus rostralis rounded .... 24. H. macgregori p. 46. 

 ttt- Outer fingers nearly half webbed. 



Canthus rostralis rounded. . . . (10. II. fallax p. 35). 

 ft t"f • Outer fingers half webbed. Canthus 



rostralis distinct 25. //. genimaculata p. 47. 



/3. Upper surface in preserved specimens 



blue or violet (green in life). A white 



or yellow, below dark-edged streak 



along lower jaw. 



f. No projecting rudiment of pollex. 



Tympanum 3 / 5 to 4 / 5 the width 



of the eye 31. H. infrafrenata p. 51. 



tf. No projecting rudiment of pollex. 



Tympanum as large as the eye 32. H. spengeli p. 54. 

 Iff. A strong projecting rudiment of 



pollex 33. H. militaria p. 55. 



y. Upper surface in preserved specimens 

 blue or violet. No white streak along 

 lower jaw. 

 \. The heel reaches beyond the tip 



