1. PSEFDIS. 2. CENTEOLENE. 187 



2. Pseudis minuta. (Plate XIV. fig. 1.) 



Psexidis luiuuta, Gitnth. Cat. p. G. 

 Pseudis minuta, Pders, Mon. Berl. Ac. 1863, p. 70 ; Garman, Amer. 

 Natur. ii. 1877, p. 587, f. 97. 



Differs from P. immdoxa by its much smaller size, its longer hind 

 limbs, the tibio-tarsal articulation reaching a good deal bcjond the 

 tip of the snout. Snout rounded. An oblique white streak from 

 the back edge of eye to the angle of mouth ; a white stripe from the 

 shoTilder to the hypochondrium. Male with a subgular vocal sac. 



Brazil. 



n. (S- S.America. C. Darwin, Esq. [P.]. (Type.) 



3. Pseudis limellum. 



Lysapsus limellum, Cope, Proc. Ac. Philad. 1862, p. 165 ; Steiiulachn. 



Kovara, Amph. p. 50. 

 Pseudis minuta, Steindachn. Verh, zool.-hof. Ges. Wien, 1864, p. 202, 



pi. 11. f. 2-4. 



Yomerine teeth in two fasciculi behind the choanse. Snout sub- 

 acuminate, without canthus rostralis ; interorbital space as broad 

 as the upper eyelid ; tympanum half the size of the eye. Toes 

 entirely webbed ; tips of fingers and toes dilated into very small 

 disks ; a small acute metatarsal tubercle. Hind limb very long ; 

 carried forwards along the body, the knee reaches ncarl}- the tym- 

 panum, and the tibio-tarsal articulation far beyond tho tip of the 

 snout. Upper surfaces shagreened. Above reddish brown ; hind 

 limbs cross-barred. Very small. 



Paraguay ; Brazil. 



(t. 5 . Brazil. 



4. Pseudis mantidactyla. 



Lysapsus mantidact3da, Cojye, Proc. Ac. Philad. 1802, p. 352. 



Tympanum nearly as large as the eye. Tips of toes very slightly 

 dilated ; inner metatarsal tubercle acute, Skin of back smooth, 

 pustulous, most so posteriorlj' ; skin of tibia and foot minutely 

 roughened ; several rows of acute rugosities on the former ; beneath 

 entirely smooth. Above uniform light brown ; a yellowish band 

 fr»m axilla to femur ; another above it on the lumbar region ; 

 femora cross-banded with brown above, and with three longitudinal 

 brown bands on their posterior face. Male with two vocal vesicles. 



Buenos Ayres. 



2. CENTROLENE. 



Ceutroieue, Espada, An. Soc. Esp. i. 1872, p. 87. 



Pupil horizontal ? Tongue heart-shaped, free behind. Vomerine 



