I 



13. XEPIODACTYLrs. 241 



5. Leptodactylus gracilis. 



Cystiguathu.s gracilis', Duin. S)- Bihr. p. 406 ; D'Orb. Vvi/. Amer, met;, 



Eept. p. 10, pi. 13. f. 0-7. M:,^^C,^.e.y . ^.?lsl/.- /^^Y. A /J^ 

 Leptodactylus gracilis, Eqmda, T'iaJ. Pac>f., Verlcbr, p. -14. / ^ 



Tongue subcorcliform. Yomeriuc teeth in a long, scarcely inter- 

 rupted series behind the choauae. Snout pointed ; tympanum two 

 thirds the width of the eye. Hind limbs and toes very slender ; 

 the latter not fringed ; two metatarsal tubercles, lirownish above, 

 longitudinally striped with black ; hind limbs cross-barred. 



^Montevideo. 



6. Leptodactylus fragilis. 



Cystignathus fragilis, Brocchi, Bull. Soc. Philom. (7) i. p. 182. 



gracilis. Cope, Proc. Ainer. Philos. Soc. xviii. 1879, p. 269. 



Leptodactylus fi-agilis, BroccJd, Miss. Sc. Me.v., Batr. p. 19, pi. 5. f. 2. 



Tongue oblong, slightly nicked behind. Yomcrino teeth in two 

 arched series behind the choana'. Tympanum nearly as large as the 

 eye. Limbs and toes very slender ; subarticular tubercles much 

 developed ; two metatarsal tubercles. Flanks with two series of 

 small tubercles, and a small glandular fold between them. Brownish 

 above, with rather regular black spots ; two triangular spots between 

 the eyes ; a black stripe from the tip of the snout to the eye ; hind 

 limbs cross-barred. 



Tehuantepec. 



7. Leptodactylus labrosus. 



Leptodactylus labrosus, Espada, T'iaJ. Pacif., Vertehr. p. -36. 



Tongue oval, slightly nicked behind. Yomerine teeth in two 

 arched series behind the choaniE. Snout pointed, very prominent. 

 First finger longer than second ; toes not fringed ; subarticular 

 tubercles well developed ; two small metatarsal tubercles. The hind 

 limb being cariied forwards along the body, the tarso-metatarsal 

 articulation reaches the tip of the snout. Two glandular lateral 

 folds on each side of the back, the lower ending in a lai'ge, irregidar, 

 flat porous gland on the groin : a fold from the eye to the shoulder ; 

 sides of body and upper eyelids tubercular; a ventral discoidal fold. 

 Brown above ; a dark streak from the tip of the snout through the 

 eye to the shoulder ; upper lip with dark triangular spots ; a dark 

 triangular spot between the eyes ; limbs cross-barred. 



Ecuador. 



8. Leptodactylus pentadactylus. 



Cystignathus fuscus, Giinf/t. Cut. p. 2S. 

 Pleurodema labyrinthicum, Giinth. I. c. p. 31, 

 Svhu, i. pi. 70. f. 1. 

 Rana pentadactjla, Lain: Si/n. PcpL p. 32. 



ocellata, Schncid. Hist. A»ip/i. i. p. 117; Daitd. liain. p. 01, 



pi. lit, and Rept. \m. p. 118; Gravtidi. IJcIic. p. 42. 



ri'iyas, Spi.r, Bun. p. 2'>, pi. 1 ; Pdcrs, Moii. Berl. Ac. I>i7'2,\). 1"J7. 



labyrintliica, >S}«'.r, /. c. p. 3J, pi. 7. f. 1,2; Ptlcrs, I. c. 



R 



