2. DEXDEOBATES. 143 



Hylaplesia tiiictoria, Boie, Isis, 1827, p. 294; Tsc/mdi, Batr. p. 70. . 

 Deudroljates histriouiciis, Berth. Gotting. Nachr. 1845, p. 43, and 



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

 Phyllobates auratus, Girard, U.S. Astron. Exped. ii. p. 209. 

 Hylaplesia aurata, Cope, Proc. Ac. PJdlad. 1803, p. 49. 

 Phyllobates cliocoensis, Posada Araiujo, Rev. et May. Zool. 1872, 



pi. 27. 



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

 region vertical ; iuterorbital space broader than the upper eyelid ; 

 tj-mpanum more or less distinct, about half the diameter of the eye. 

 First 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 suout. 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. S 2- Panama, Madame PfeifFer [C.J. 



f,(j. cS • Santarem. Mi-. Wiekham [0.]. 



B. Upper surfaces uniform grey ; sides and inferior surfaces 

 uniform black. 



/(, /. c? $ . Para. R. Graham, Esq. [P.]. 



Ii. 5. Para. 



C. Grey, with large black blotches. 



I. J , Isthmus of Darien. Zool Soc. 



D. Above black, with two or thi'ee white (or pink) longitudinal 

 stri]oes, sometimes one or two cross streaks between; beneath 

 grey, black-spotted. 



m. 2 . Cayenne. 



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



o-p, q~r. Yg. Sarfiyaeu, Ecuador. Mr. Buckley [C.]. 



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

 or marbled with white. 



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



t-u. Ye. Cavaria. W. Davis rC.l. Messrs. Yintcb 



[P.]. - 



2. Dendrobates typographus. 



Dendrobates typographus. Kef erst. Gotting. Xachr. 1867, p. 360, and 

 Arch.f. Kciturg. 1868, p. 298, pi. 9. f . 7 ; Cope, Jour a. Ac. Philad. 

 (u. s.) viii. part 2, p. 102. 



ignitus, Cope, Proc. Ac. Phdad. 1874, p. 68. 



Snout obtuse ; canthus rostralis rounded. Tympanum very small. 



