6. TELMATOBITJS. 191 



Toes half webbed ; tibio-tarsal articulation 



reaching in front of the eye 5. 2^ustulosits, p. 192. 



Toes shortly webbed ; no metatarsal tubercle 6. anrjustiiycs, p. 192. 



1. Telmatobius peruvianus. 



Telmatobiiis peruvianus, GUnth. Cat. p. 42. 

 Telmatobius peruvianus, Wieqm. Nov. Act. 1835, p, 262, pi. 22. f. 2 ; 

 Peters, Mon. Berl. Ac. 1873, p. 413, pi. 2. f. 3. 



Vomerine teeth none. Snout short, rounded ; no tympanic disk. 

 Toes ijicompletely webbed. Above with many very small horny 

 warts. Above brown, with a darker longitudinal band, anteriorly 

 crossed by two transverse streaks. Male without vocal sac, with 

 blackish rugosities on the inner side of the first finger. 



Peru. 



2. Telmatobius aemaricus. 



Cyclorhamphus ffiuiaricus. Cope, Proc. Ac. PJiilad. 1874, p. 12.5, and 

 Proc. Amer. Philos. Sac. xvii. 1877, p. 39. 



Vomerine fasciculi minute, between the small choanse. No tym- 

 panic disk. Toes half webbed ; a free border on the inner side of 

 the tarsus and outer side of outer toe. The hind limb being carried 

 forwards along the body, the tibio-tarsal articulation reaches about 

 the auglo of the mouth. 8kiu smooth, except a few small tubercles 

 on the occipital region ; labial integument largely free and over- 

 hanging the lower jaw. Colour olive-brown above, lighter brown 

 below ; sometimes a few scattered yellow spots above. Male with 

 numerous small horny i^oints on the breast, and a large rugose plate 

 on each thumb. 



Peru. 



3. Telmatobius jelskii. 



Pseudobatraclius jelskii, Peters, Mon. Perl. Ac. 1873, p. 41.). 

 ? Cycloibamphus culeus, Garman, Pull. 3It(s. Comp. Zool. iii. p. 270, 

 pi. 1. 



Vomerine teeth in two small groups between the clioana; ; the 

 latter relatively smaller than in T. rnarmoratus. Snout short, 

 rounded ; intcrorbital space broader than the upper eyelid. Tym- 

 l)auum small, hidden. Pingers blunt, first extending beyond second ; 

 toes blunt, nearly entirely webbed ; subarticular tubercles small, a 

 small oval inner, and a flat rounded outer metatarsal tubercle. The 

 hind liml) being carried forwards along the body, the tibio-tarsal 

 articulation reaches the eye, or nearly so far. Skin smooth, glan- 

 dular and distinctly porous above. Upper surfaces blackish olive ; 

 lower surfaces yellowish, marbled with brown. ^lale Avithout vocal 

 sac ; during the breeding-season the inner side of the first finger is 

 covered with blackish rugosities. 



Peru; Ecuador. 



