190 CrSTIGNATHID^. 



carried forwards along the body, the tibio-tarsal articulation roaches 

 the shoulder or the tympanum. Skin of the back with round and 

 oval warts. Dark olive above, indistinctly maculated with blackish. 

 Male with two external subgular vocal sacs. 

 Chili. 



a-c, d-c. S 2 ■ Chili. 



/. Skeleton. Chili. 



2. Calyptocephalus testudiniceps. 



Plu'ynocerus testudiniceps, Cope, Pruc. Ac. P/iilad. 180:?, p. 157. 

 Calyptocephalus testudiniceps, Cope, Nut. Hist. liev. 1865, p. 112. 



Vomerine teeth in separate transverse series anterior to the inner 

 margin of the choana). Sx^aco between the orbits slightly concave, 

 Avider than the diameter of the orbit ; tympanum vertically oval, 

 longest diameter equal to the length of the third phalanx of the 

 third finger. Toes fully webbed, except the extent of the last two 

 phalanges of the median. Skin with obtuse warts. Above bright 

 yellowish and brownish green, marbled with black : siibanal region 

 blackish, spotted with yellow. 



Panama. 



G. TELMATOBIUS*. 



Telmatobius, TJ'ier/m. Kor. Act. 1835, p. 262 ; Giint/i. Cat. p. 42. 

 Cycloramphus, sp., Diitn. i,- Bibr. viii. p. 455. 



Cyclorliamphus, Giinth. Cat. p. 21; Cope, Nat. Hist. Rev. 1865, p. 112, 

 and Journ. Ac. Fhilad. (2) vi. 1866, p. 96. 



Pupil horizontal. Tongue subcircular, entire and free behind. 

 Vomerine teeth present or absent. Tympanum hidden or absent. 

 Fingers free ; toes webbed, the tips not dilated. Outer metatarsals 

 united. Omosteruiim cartilaginous ; sternum a cartilaginous plate. 

 Terminal phalanges simple. 



W. S. America. 



Synopsis of the S_pecies. 



I, No tympanic disk. 



Vomerine teeth none 1. peruvianus, p. 191. 



Vomerine teeth; labial integument largely 



free, and overhanging the lower jaw . . 2. cemaricus, p. 191. 



II. A tympanic disk. 



Toes nearly entirely webbed ; first finger 



extending beyond second 3. jelsJcii, p. 191. 



Toes half webbed ; tibio-tarsal articulation 



not reaching the eye 4. marmoratus, p. 192. 



* Telmatobius brasiliensis, Steindachn. Verb, zool.-bot. Ges. Wien, 1864, 

 p. 282, pi. 16. f. 3.— Brazil, probably Eio Janeiro. 



