7. PHKTXOBATEACHTJS. 8. NTCTIBATEACHTJS. 113 



body, the metatarsal tubercles reach far beyond the tip of the snout. 

 Back with a few scattered small tubercles, and with a glandular fold 

 on each side, reaching from the posterior border of the eye to the sacral 

 region, both convergent on the back behind the shoulders. Above 

 brownish, variegated with darker ; a dark-brown temporal spot ; 

 hinder side of thighs with a dark-brown vitta ; throat brownish. 

 Male with an internal subgular vocal sac. 

 West Africa. 



a. (?. Coast of Guinea. (Type.) 



6. <?. Coast of Giunea. Sir A. Smith [P.]. 



3. Phrynobatrachus acridoides. 



Staurois acridoides, Cope, Journ. Ac. Ph'dad. 1867, vi. p. 198. 



Habit slender. Snout narroAved, rounded, slightl}' prominent, 

 with obtuse can thus I'ostralis ; tympanum distinct, half the size of 

 the eye. Toes two-thirds webbed ; tips of fingers and toes dilated 

 ?nto small disks ; three metatarsal tubercles. The hind limb being 

 carried forAvards along the body, the metatarsal tubercles reach be- 

 yond the tip of the snout. Skin with weak tubercles above, and 

 two plicoe convergent from orbits, then divergent and terminating 

 behind scapulfe. Above dark greyish olive, with frequently a nar- 

 row vertebral band ; a dark band on side, on front and hind- face 

 of femur, the latter with a pale one above it. Throat and breast 

 brown, Avhite punctate. Limbs cross-barred. 



Zanzibar. 



8. NYCTIBATRACHUS. 



Pupil erect. Tongue free, and deeply notched behind. Yomerine 

 teeth. Tympanum hidden. Pingers free ; toes webbed, the tips 

 dilated into small disks. Outer metatarsals sepai'ated by web. 

 Omosternum and sternum with a bony style. Terminal phalanges 

 bifurcate. 



India. 



This new genus is related to Eana by the general characters, to 

 Rhacophorus by the structure of the distal phalanges, but differs 

 from both by the erect pupil. This appears to be intermediate 

 between the triangular shape, as exhibited by Bombinator, and the 

 elliptical exhibited by Alytes, Pelohates, and others. 



1. Nyctibatrachus pygmseiis. (Plate XII. fig. 1.) 



Eana pygmsea, Giinih. Proc. Zool. Soc. 1875, p. 568. 



Yomerine teeth in two small oblique series behind the level of 

 the choanae. Habit stout. Snout very sliort, without canthus 



