368 HYLLDJS. 



36. Hyla nigromaculata. 



Trachycephalus geographicus, Ounbh. Cat. p. 118. 

 Trachycephalus Digromaculatus, Tschudi, Batr. p. 72. 



geographicus, Dum. §• Bihr. p. 536 ; Steindachn. Novara, 



Amph. p. 63. 



marmoratus, Steindachn. Vei-h. zool.-bot. Get. Wien, 1864, 



p. 243, pi. 9. f . 3. 



Tongue subcircular, entire, scarcely free behind. Vomerine teeth. 

 in a straight or slightly curved, scarcely interrupted series on a 

 level with the hinder edge of the choanee. Head moderate, a little 

 broader than long, rough, the derm involved in the cranial ossifica- 

 tion ; snout rounded, once and a half or once and two thirds as long 

 as the diameter of the eye ; loreal region oblique, concave ; canthus 

 rostralis angular ; crown slightly concave ; interorbital space much 

 broader than the upper eyelid ; tympanum very distinct, about two 

 thirds the diameter of the eye. Three outer fingers one-third 

 webbed ; no rudiment of poUex ; toes nearly entirely webbed ; disis 

 of filngers about "as large as the tympanum, of toes rather smaller ; 

 subarticuTar tubercles well developed. The hind limb being carried 

 forwards along the body, the tibio-tarsal articulation marks the 

 front of the eye or a little beyond. Upper surfaces smooth or 

 with small tubercles ; lower surfaces granulate ; a curved fold above 

 the tympanum. Brown or olive above, marbled with darker; whitish 

 beneath, immaculate. Male with two external vocal vesicles, each 

 being situated behind the angles of the jaws ; during the breeding- 

 season the inner side of the first finger is covered with blackish 

 rugosities. From snout to vent 90 millim. 



Brazil. 



a. $ . , Brazil. Lord Stuart [P.]. 



h-o. cJ 2 ■ S. America. 



37. Hyla septentrionalis. 



Trachycephalus marmoratus, Giinth. Cat. p. 117. 

 Dendrohyas septentrionalis, Tschudi, Bat): p. 74. 

 Trachycephalus mai-moratus, Bibr. in B. de la Sagra, Hist. Cuba, Bept. 



t. 5:9 ; Dum. ^ Bibr. p. 638; Cope, Proc. Ac. Philad. 1863, p. 44; 



Stetndachn. Novara, Amph. p. 63 ; Gundlach, Bepert. Fis. nat. de 



Cxiba, ii. p. 118. "' 



? Hyla brunnea, Gosse, A Naturalist's Sojourn in Jamaica, p. 361. 

 Trachyoephalas insulsus, Cope, I. c. p. 43. 

 ? Trachycephalus wrightii, Cope, I. c. p. 45. 



Tongue subcircular, generally broader than long, entire or scarcely 

 emarginate, and slightly free behind. Vomerine teeth between the 

 moderate-sized choanse, in two straight or slightly arched series. 

 Head moderate, broader than long in full-grown specimens, as long 

 as broad in half-grown and young ; derm of head involved in the 

 rugose cranial ossification ; posterior outline of casque openly emar- 

 ginate ; snout rounded, about once and one third as long as the 

 diameter of the orbit; the distance from the nostril to the eye 



