2. PSETJDOPHETNE. 3. NECXOPHItYNE. 270 



4. Pseudophryne guentheri. (Plate XYIII. fig. 2.) 

 Pseutloplirvue bibiouii, part., Giinth. C(tt. p. 137. 



Differs from the preceding in the following points : — iletatarsal 

 tubercles two, lai'ge, oval, compressed. Hind limb very short, the 

 tip of the longest toe not reaching beyond the anterior corner of the 

 eye. Upper surfaces with prominent smooth warts, some of which 

 are confluent into straight or curved lines on the back. Brown or 

 olive above ; forehead and a few large markings on the back lighter. 

 Beneath whitish, immaculate, slightly spotted or delicately marbled 

 with brown. Male with a very large fiat, oval, lumbar gland, and a 

 rather indistinct large subcircular parotoid. 



Australia. 



a. c?. Swau Ptiver. Sir A. Smith [P.l. 



b. 5. N.W.Australia. 



c. cl. $ . Australia. 



3. NECTOPHRYNE. 



Nectophryne, Buchh. S^- Peters, Mon. Berl. Ac. 1875, p. 202. 

 Pedostibes, G'nntlu Proc. Zool. Soc. 187o, p. o70. 



Pupil horizontal. Tongue elliptical, entire, free behind. Palate 

 smooth. Tympanum distinct or absent. Fingers and toes webbed, 

 the tips dilated into regular disks. Outer metatarsals united. Xo 

 omosternum ; sternum cartilaginous. Diapophyscs of sacral ver- 

 tebra strongly dilated. Terminal phalanges T-shaped. 



West xlfrica ; East Indies. 



Synopsis of the Sjyecies. 



Fingers entirely webbed 1. afra, p. 279. 



Fingers one-third webbed ; tympanum two 



thirds the width of the eye 2. guentJieri, p. 280. 



Fingers webbed at the base ; tympanum one 



third the width of the eye 3. tahermlosa, p. 280. 



Fingers webbed at the base : no metatarsal 



tubercles 4. sundana, p. 281. 



1. Nectophiyne afra. 

 Nectophryne afra, Buchh. ^- Peters, I. c. pi. 2. f. 5. 



Snout short, projecting, truncate ; canthus rostralis rounded ; 

 loreal region sloping obliquely inwards and downwards ; no tym- 

 panum. First finger shorter than second ; fingers and toes webbed 

 to the tips, which are swollen ; two flat metatarsal tubercles. Upper 

 surfaces with scattered small tubercles : belly a"nd inferior surface 

 of thighs granulate, Olive-green : a cross band between the eyes 



