4, HYLA, 363 
cross bars; hinder side of thighs marbled with brown; beneath 
whitish, more or less dotted or reticulated with brown. Male with 
two vocal vesicles, each being situated behind the angle of the 
mouth ; during the breeding-season the inner side of the first finger 
is covered with brown rugosities. From snout to vent 55 millim. 
Closely allied to H. lepriewii, from which it differs chiefly by the 
more oblique loreal region and curved canthus rostralis. 
Ecuador. 
a. Several spec., 5 Q. Canelos. Mr. Buckley [C. ]. 
mee, 3 Sarayacu. Mr. Buckley [C. ]. 
Mio fs Paitanga. Mr. Buckley [C. ]. 
28. Hyla taurina. 
Osteocephalus taurinus, (f%tz.) Steindachn. Arch. per la Zool. ii. fase. i. 
p. 77, pl. 6. f. 1-3. 
? Osteocephalus flavolineatus, Stezndacin. 1. c. p. 80, pl. 6. f. 4-7. 
Trachycephalus (Osteocephalus) taurinus, Sterndachn, Novara, Amph. 
p. 64. 
P Trachycephalus (Osteocephalus) flavolineatus, Steindachn. 1. e. 
Tongue suboval, entire, scarcely free behind. Vomerine teeth 
between the very large choanz, in two arched series, forming together 
aj \. Head large, depressed, a little broader than long; skull 
strongly ossified in the adult, rugose, the derm, however, being free, 
the edges of the fronto-parietals forming two more or less prominent 
caring ; snout rounded, about once and two thirds as long as the 
diameter of the eye; loreal region oblique, deeply concave ; canthus 
rostralis very strong, straight ; interorbital space broader than the 
upper eyelid ; tympanum very distinct, nearly as large as the eye. 
Three outer fingers nearly half webbed; no rudiment of pollex; 
toes entirely webbed ; disks not much smaller than the tympanum ; 
subarticular tubercles very prominent. The hind limb being carried 
along the body, tho tibio-tarsal articulation reaches the tip of the 
snout, or nearly so. Upper sufaces smooth or tubercular; lower 
surfaces granulate; a fold above the tympanum. Reddish, brownish, 
or blackish above, spotted or marbled with darker ; limbs with broad 
dark cross bars ; flanks sometimes white-spotted; beneath whitish, 
throat and chest spotted with brown. Male with two large ex- 
ternal vocal vesicles, each being situated behind the angle of the 
mouth; during the breeding-season the inner side of the first finger 
covered with brown rugosities. From snout to vent 100 millim. 
Guianas ; N. Brazil ; Colombia. 
a-b, c-f. 3 Q. Demerara Falls. 
ao Vryheids Lust, Deme- Rey. W. T. Turner [C.}. 
rara. 
h. 9. Surinam. Herr Kappler [C.]. 
i-m. 6,9,&hgr. Santarem. H. A. Wickham, Esq. [C.]. 
We Quit Caracas. 
