340 HYLID®. 
eye; thumb an incurved unusually elon- 
Paled OSSe0US SPUL... 25'S. eee eee 8. crcumdata, p. 353. 
Tympanum one third the diameter of the 
orbit ; digital dilatations small........ 10. hypselops, p. 353. 
Iippereyelid very narrow... 0: 5..5a5 wee 18. werophylla, p. 358. 
Tympanum hidden; heel with a short der- 
MAL SHUT. seve cee cvs ccd ewe ects se OMMpMILCH HCG Api ters oe 
Tympanum hidden; no tarsal spur ...... 21. punctatissima, 
Tympanum two thirds the diameter of the [p. 309. 
eye; canthus rostralis nearly straight ; 
loreal region not very oblique ; no distinct 
rudiment of pollex...:....%...'....5.° 26. leprieurn, p. 361. 
Tympanum two thirds or three fourths the 
diameter of the eye; canthus rostralis 
curved; loreal region not very oblique ; 
no distinct rudiment of pollex ........ 27. buckleyi, p. 362. 
c. Fingers with a slight rudiment of web. 
Tympanum two thirds the diameter of the 
eye; latter very small; snout acute, 
more than twice the diameter of the eye. 9. rostrata, p. 353. 
Tympanum half the diameter of the eye; no 
distinct rudiment of pollex .......... 15, alboguttata, p. 356. < 
Tympanum half or two thirds the diameter 
of the eye; upper eyelid very narrow .. 17. punctata, p. 357. 
Tympanum half the diameter of the eye; 
loreal region oblique ; heel with a dermal 
SUR! Mo oAajas sw sso 3 eects elem aoe Pp ORClOLA ap teeiae 
Tympanum about two thirds the diameter 
of the eye; canthus rostralis straight .. 23. boans, p. 360. 
Tympanum three fourths the diameter of 
the eye; tibia measuring a little more 
than the distance from ayilla to vent .. 24. lanciformis, p. 361. 
Loreal region nearly vertical ; heel with a 
Mlernfal Spur. jsf on Secale! «hae ae 25. spectrum, p. 361. 
d. Fingers quite free. 
Tympanum three fourths the diameter of 
the eye; canthus rostralis straight .... 30. planiceps, p. 364. 
2. Choanze small; yvomerine teeth 
forming a very open chevron, 
the point of which is turned 
Lor wards .vechh we te Petes 51. vauteri, p. 376. 
3. Vomerine teeth in two groups or short series, transverse 
or obliquely directed backwards and inwards; choane 
small or moderate (with a few exceptions). 
a, Fingers more than one-third webbed. 
