HIKDS OF NORTH AND MIDDLE AMERIOA. 221 



Coloiii]>ia).— Allen, Bull. Am. .Mli<. N. II., xiii, lUUG, 172 (Bonda, etc., 

 Santa Marta; crit. ). 

 {?) Ilylophllm hypoxanthus (not of Pelzeln) Salvin and Godm.vx, IV>is, 1880, 

 118 (Valencia, Venezuela)." 



PACHYSYLVIA VIRIDIFLAVA (Lawrence). 

 YELLOW-GREEN PACHYSYLVIA. 



Adults {sexes (dike). — Above plain 3"ollo\vi.sh olive-green, slio'htly 

 duller and j^raycr or browner on pileuni; shafts of rectrices blackish; 

 loral. auricular and malar regions pale olive-grayish; chin (hill whitish, 

 deepening into a more grayish hue on upper thi'oat, the lowei' throat, 

 chest, and anterior portion of sides pale yeUowish olive or ])ut!y olive; 

 rest of under parts naples yellow; undei- wing-coverts lighter and 

 clearer yellow (approaching canary 3^ellow); l)ill usually pale brown, 

 sometimes blackish ;'' iris dark ])rown;'" legs and feet pale l)rownish 

 (in dried skins). 



AdvJf ///^//.^— Length (skins). 108-113 (111); wing. oC; tail, 49; 

 exposed culmen, 11-11.5 (11.2); tarsus, 18-19 (18.7); middle toe, 

 10-11 (10.7).'^ 



Adidt female.— ^QWirih. 106-117 (111.5); wing, 5)3-55 (53.9); tail, 

 16-52 (18.7); exposed culmen, 11-12 (11.2); tarsus, 18-19 (18.6); 

 middle toe, 10-11 (10.5).'' 



Isthmus of Panama, north to Veragua. 



Hylophilus viridijiarua Lawrence, Ann. Lye. Nat. Hist. N. Y., vii, 1861, 324 

 (Panama R. R. ; coll. G. N. Lawrence). — Sclater and Salvin, Proc. Zool. 

 Soc. Lond., 186-4, 348 (Panama R. R.).— Baird, Review Am. Birds, 1866, 

 380 (Panama). — Salvin, Proc. Zool. Soc. Lond., 1867, 137 (Santa Fe, Vera- 

 gua); 1870, 184 (Bugaba, Veragua). — Sclater, Ibis, 1881, 309 (monogr. ). — 

 Salvin and Godmax, Biol. Centr.-Am., Aves, i, 1881, 208, pi. 13, fig. 1. 



[Ilillophilus'] viridiflavus Sclater and Salvin, Noni. Av. Neotr., 1873, 12. 



Hylophilus favipes viridijlaviis Bangs, Auk, xviii, Oct., 1901, 368 (Divala and 

 David, Chiriqui). 



IHylophiliis flavipes'} /3. Northern Race (//. riridljlarna) Gadow, Gat. Birds Brit. 

 Mus., viii, 1883, 312. 



Hylophilus flavipes (not of Lafresnaye) Gadow, Cat. Birds Brit. Mus., viii, 1883, 

 312, part. 



GeiiLis VIREOLANIUS Du Bus. 



Vireolanius DuBus, Esquisses Urnith., ISoO, pi. 26. (Tyj)e I', nielitojihrys Du 

 Bus.) 



"According to Allen, Bull. .\ni. Mus. X. 11., xiii, 172. 1 have not seen a speci- 

 men from the locality mentioned. 



''In five adults from Panama the bill is pale l)r()wn (the mandible still paler); 

 in one specimen from Panama the maxilla is blackish on culmen ami Ih'Iow nostrils, 

 the rest pale horn nilur, the mandililc blacki.<sh laterally, pale horn color on under 

 side; in two specimens from ("liiri(|ni ( Divala and David) the bill is black. 



<^Heyde, manuscript. 



'' Three specimens. 



' Four specimens. 



