346 HTLIDJ5. 



and a half or once and two thirds as long 



as the diameter of the eye 110. rubra, p. 403. 



Tympanum half the diameter of the eye ; 

 toes three-fourths webbed ; tibio-tarsal 

 articulation reaching considerably beyond 

 the tip of the snout ; snout as long as the 

 diameter of the eye 111. faaerea, p. 404. 



B. Derm of head involved in the rugose cranial ossification. 

 Outer fingers one-third webbed ; vomerine 



teeth in a straight or slightly curved 



series on a level with the hiuder edge of [p. 368. 



the choanoe 36. nigromacidata , 



Outer fingers slightly webbed 37. sej^tentrionaUs, 



Outer fingers nearly half webbed ; head as [p. 368. 



long as broad 38. ovata, p. 369. 



Outer fingers one-third webbed ; head 



broader than long ; choance very large . . 39. dominicensis, 

 Outer fingers one-third webbed ; posterior [p. 370. 



border of casque raised ; choan® very 



large , 40. licJienata, p. 370. 



II. PALaiAPvCTIC AND IlfDIAN SpECIES. 



Yomerine teeth between the choanae ; no 



spots on sides of thighs 58. arborea, p. 379. 



Yomerme teeth on a level with the hinder 



edge of the choanae ; sides of body and 



thighs with deep black spots 59, cJiinensis, p. 381. 



Vomerine teeth on a level with the hinder 



edge of the choanae; a strong tuberculated 



fold from the eye to the shoulder ; groin 



and sides of thighs with deep black spots 60. annectens, p. 382. 



III. AiJSTEALiAN Species, 

 A. Fingers at least one-third webbed. 



Outer fingers extensively webbed, the mem- 

 brane reaching the disks of the second 

 and fourth ; head and. back granulate . . 62. gracilenta, p. 383. 



Fingers one-third webbed; a distinct parotoid. 64. cccrwZea, p. 383. 



Fingers half webbed, disks larger than the 

 tj'mpanum ; tibio-tarsal articulation 

 reaching the tip of the snout or beyond . 65. dolicliopsis, p. 384. 



Fingers half webbed, disks much smaller 

 than the tympaimm ; tibio-tarsal articu- 

 lation reaching beyond the tip of the [p. 385. 

 snout 66. infrafrenata. 



Fingers half- webbed ; tympanum small .. 67. ?nonto«a, p. 385. 



Fingers half webbed or nearly so ; canthus 

 rostralis rounded ; groin and sides of 

 thighs black-marbled . . ; , 78. peronii, p. 390. 



