2. DENDKOBATES. 143 



Hylaplesia tinctoria, Boie, laia, 1827, p. 294; Tschudi, Batr. p. 70. 

 Dendrotates histrionicus, Berth. Gotting. Nachr. 1845, p. 43, and 



Abhandl. p. 15, pi. 1. f. 8. 

 PhyUobates auratus, Oirard, U.S. Astron. Exped. ii. p. 209. 

 Hylaplesia aurata. Cope, Proc. Ac. Philad. 1863, p. 49. 

 Phyllobates chocoensis, Posada Arango, Bev. et Mag. Zool. 1872, 



pi. 27. 



Snout truncate, longer than the diameter of the eye; loreal 

 region vertical ; interorbital space broader than the upper eyelid ; 

 tympanum more or less distinct, about half the diameter of the eye. 

 Pirst finger not extending so far as second ; disks of fingers large, 

 truncate, of toes smaller ; subarticular tubercles not very distinct ; 

 two scarcely distinct metatarsal tubercles ; sometimes a rather 

 indistinct tubercle on the middle of the tarsus. The hind limb 

 being carried forwards along the body, the tarso-metatarsal articula- 

 tion reaches between the eye and the tip of the snout. Skin 

 smooth. Male with a subgular vocal sac. 



Tropical America. 



The following specimens may be divided into five varieties of 

 coloration : — 



A. Uniform black. 



a-d, e. tj 5 ■ Panama. Madame Pfeiffer [C.]. 



f,g. S- Santarem. Mr. Wickham [0.]. 



B. Upper surfaces uniform grey ; sides and inferior surfaces 

 uniform black. 



h, i. 4 S • Para. R. Graham, Esq. [P.]. 



k. $. Para. 



C. Grey, with large black blotches. 



I. (f . lathmxis of Darien. Zool Soc. 



D. Above black, with two or three white (or pink) longitudinal 

 stripes, sometimes one or two cross streaks between ; beneath 

 grey, black-spotted. 



m. $ . Cayenne. 



n. Yg. Para. B. Graham, Esq. [P.]. 



o-p, q-r. Yg. Sarayacu, Ecuador. Mr. Buckley [0.]. 



E. Black ; above with white stripes and spots ; beneath spotted 

 or marbled with white. 



s. Hgr. Santarem. Mr. Wickham [C.]. 



t-u. Ys. Oayaria. W. Davis [0.1. Messrs. Voitob 



^ [P.]. 



2. Dendrobates typographus. 



Dendrobates typograpbus, Kef erst. Ootting. Nachr. 1867, p. 360, and 

 Arch.f. Naturg. 1868, p. 298, pi. 9. f. 7 ; Cope, Journ. Ac. Philad., 

 (n. s.) viii. ^art 2, p. 102. 



— ^ ignitus, Cope, Proc. Ac. Philad. 1874, p. 68. 



Snout obtuse ; canthus rostralis rounded. Tympanum very small. 



