220 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Bugaba, Yerugua).— Sai,vin, Proc. Zuol. Soc. Lond., 1870, 184.— Salvin and 

 GoDMAN, Biol. Centr.-Am., Aves, i, 1881, 207, part (Costa Rica; Veragua; 

 Chiriqui).— Gadow, Cat. Birds Brit. Mxis., viii, 1883, 310, part (Mexico; 

 Guatemala). — Zeledon, Anal. Mus. Nac. Costa Rica, i, 1887, 108 (Rio Sucio, 

 Costa Rica).— RiDGWAY, Proc. IT. S. Nat. Mus., x, 1888, 585 (Segovia R., s. 

 Honduras).— Cherrie, Proc. IT. S. Nat. Mus., xiv, 1891, 529, part (Costa 

 Rica; Veragua; Segovia R.; crit. ); Anal. Inst. Fis.-Geog. Nac. Costa Rica, 

 vi, 1893, 13 (Rio Naranjo, Costa Rica).— Bangs, Proc. New Engl. Zool. ('lub, 

 iii, 1902, 59 (Volcan de Chiriqui, 4,000 ft.; crit). 



\_Hijlophilus] ochraceiceps Sclater and Salvin, Nom. Av. Neotr., 1873, 12, part. 



Hlylophilus] ochraceiceps Ridgway, Man. N. Am. Birds, 1887, 479, part. 



PACHYSYLVIA AURANTIIFRONS AURANTIIFRONS (Lawrence). 

 LAWRENCE'S" PACHYSYLVIA. 



AdidU {sexes alike). — Pileiim and hindneck olivaceous wood brown 

 or Isabella color, becoming paler and more yellowish on forehead ; rest 

 of upper parts plain yellowish olive-green; lores and ey^elids dull 

 whitish; auricular region and sides of neck pale butify wood brown 

 (the latter more buffy); suborbital and malar regions dull buffy whitish 

 or pale dull })utfy; chin and throat dull buffy whitish; rest of under 

 parts pale yellow (straw or dull sulphur), the chest faintly tinged with 

 pale brownish butfy, the sides and flanks with pale olive-greenish; 

 maxilla horn brownish, darker on culmen (sometimes at base also); 

 mandible much paler brown or brownish white (said to be pinkish in 

 life);^ iris chocolate;^ legs and feet pale horn color in dried skins 

 (said to be lead-colored in life). ^ 



Adult 7nole.—h&ngi\\ (skins), 103-107 (105.4); wing, 52.5-58 (55.9); 

 tail, 40-46 (43.5); exposed culmen, 12-12.5 (12.1); tarsus, 15.5-16 

 (15.7); middle toe, 8.5-10 (9.1).'" 



Adidt fei)ude.—ljQx\gih. (skin), 105; wing, 52; tail, 42; exposed cul- 

 men, 11.5; tarsvis, 16; middle toe, 9.'' 



Coast district of Colombia, from Santa Marta to Panama. *" 



Hyloph'dus aurantiifrum Lawrence, Ann. Lye. Nat. Hist. N. Y., vii, 1862, 324 

 (Panama R. R. ; coll. G. N. Lawrence). — Baird, Review Am. Birds, 1866, 

 377 (Panama R. R. ).— Sclater, Ibis, 1881, 303, part (Isthsmns of Panama). — 

 SALviNandGoi)MAN,Biol. Centr.-Am., Aves, i, 1881, 207, part (Panama R. R.; 

 excl. syn. H. hypoxanthus Pelzeln).— Gadow, Cat. Birds Brit. :Mus., viii, 1883, 

 310, part (excls. syns. insulans Sclater, hi/poxanthus Pelzeln, and aciUicaudti-^ 

 Lawrence).— Bangs, Proc. Biol. Soc. Wash., xii, 1898, 142 (Santa Marta. 



«" Orange-fronted " Pachysylvia would obviously be a good vernacular name fut 

 this species if the specific scientific name had been wisely chosen; but the color of the 

 forehead does not even remotely approach an orange hue, and therefore the name 

 mentioned would be exceedingly inappropriate. 



''Fred Hicks, on label. 



c Five specimens— two from Panama, three from Santa Marta. 



'^ One specimen, from SantaMarta. 



<" The Venezuelan and Trinidad birds represent different and strongly marked 

 subspecies. (See pages 215.) 



