296 FORMICARIID^. 



3. Pithys bicolor. 



Pithys bicdlor, Lain: Ann. Lye. N. II. N. ¥. viii. p. 6 (Panama); 



6V7. cf Salr. 1\ Z. S. 1864, p. 357 (Panama) ; rid. Komencl. p. 74 ; 



.SV(/('. r.Z.S. 1867, p. 145, et 1870, p. 195 (Veragua) ; Fmntz. 



J. f. O. 1869, p. 306 (Costa Rica) ; 8cl. Ibis, 1873, p. 373 (Nieaia- 



<riia) ; Bouc. P. Z. S. 1878, p. 62 (Costa Kica). 

 Pithys leucaspis, Lmcr. Ann. Lye. N. Y. vii. p. 326 (Panama). 



Similar to /'. hucanpis, but much duller above: front and lores 

 dark cinereous, not rut'escent. 



Ilab. Panama, Costa Rica, and Nicaragua. 



a. Ad. sk. Chepo, Panama. O. Salvin, Esq. [P.]. 



f>,c. (S 2 «id. sk. Vsinama (McLeannn/i). Salvin-Godman Coll. 



d. Ad. sk. Panama {MeLeannan). Sclater Coll. 



e. Ad. sk. Panama (IluffJie.s). 0. Salvin, Esq. [P.]. 

 /. cJ ad. sk. Santa Fe, Yevagiia (Arce). Salvin-Godman Coll. 

 f/. 5 ad. sk. Bugaba, Cliiiiqui (Arce). Salvin-Godman Coll. 

 h. c? ad. sk. Volcan de Chiriqui (Aree). Salvin-Godman Coll. 

 i. cj ad. sk. Valza, Costa Riea (Car7mo/). Salvin-Godman Coll. 



j. Ad. sk. Chontales, Nicaragua (Belt). Salvin-Godman Coll. 



4. Pithys lunulata. 



Hvpocnemis pcecilonota, Scl. et Sole. P. Z. S. 1866, p. 186 (?). 

 Pi'tbvs lunulata, Scl. et Salv. P. Z. S. 1873, p. 276, t. xxvi. (E. Peru): 



lid. Nomencl. p. 74 ; Tacz. P. Z. S. 1882, p. 32 (N.E. Peru) ; id. 



Oni. Per. ii. p. 75. 



Above brown ; small concealed dorsal spot white ; feathers of 

 interscapulium, wing-coverts, and outer secondaries crossed by black 

 subtermiual bands which have pale ochraceous margins ; tail black- 

 ish, crossed by four rows of whitish spots on the inner webs, and 

 with slight white ends : beneath as above, but throat and neck pure 

 white : whole length 5-5 inches, wing 3, tail 1*8. 



Hah. Upper Amazonia. 



I hardly know what to make of this curious bird, which is marked 

 above something like Hypocnemis pcecilonota. 



a. 2 ad. sk. Sarayacu, Peru {Bartlett). Sclater Coll. 



(Type of the species.) 



25. GYMNOPITHYS. 



Type. 

 Gymnopithys, Bp. Ann. Sci. Nat. s^r. iv. t. i. p. 132 (1854) G. rufigula. 

 Auoplops, Cub. et Ilein. Mus. Hein. ii. p. 9 (18-59) .... G. rufigula. 

 Rhegmatorhina, Ridgw. Proc. U. S. N. M. x. p. 525 (1887) G. gymnops. 



• This genus contains three species of Guiana and Amazonia, allied 

 to Pitlvj^, but distinguished by the naked space round the eye. 



Key io the Species. 



A. Abdomen brown. 



( Interscapulium uniform 1. rufigula, p. 297. 



I Interscapulium spotted 2. mehmosticta, p. 297. 



B. Abdomen black 3. gymiiops, p. 297. 



