1. PsEUDIS.—2. CENTROLENE. 187 
2. Pseudis minuta. (Prater XIV. fig. 1.) 
Pseudis minuta, Giinth. Cat. p. 6. 
Pseudis minuta, Peters, Mon. Berl, Ac. 1863, p.76; Garman, Amer. 
Natur. ii. 1877, p. 587, f. 97. 
Differs from P. paradowa by its much smaller size, its longer hind 
limbs, the tibio-tarsal articulation reaching a good deal beyond 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 
shoulder to the hypochondrium. Male with a subgular vocal sac. 
Brazil. 
&. o. S, America. C. Darwin, Esq. [P.]. (Type.) 
3. Pseudis limellum. 
Lysapsus limellum, Cope, Proc. Ac. Philad. 1862, p. 155 ; Steindachn. 
Novara, Amph. p. 50. 
Pseudis minuta, Steindachn. Verh. zool.-bot. Ges. Wien, 1864, p. 262, 
pl. 11. f. 2-4. 
Vomerine teeth in two fasciculi behind the choans. 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 nearly the tym- 
panum, and the tibio-tarsal articulation far beyond the tip of the 
snout. Upper surfaces shagreened. Above reddish brown; hind 
limbs cross-barred. Very small. 
Paraguay ; Brazil. 
GeDs Brazil. 
4. Pseudis mantidactyla. 
Lysapsus mantidactyla, Cope, Proc. Ac. Philad, 1862, 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 posteriorly; 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 
from 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. 
Centrolene, Espada, An. Soc. Esp, i, 1872, p. 87. 
Pupil horizontal? Tongue heart-shaped, free behind. Vomerine 
