124 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



(168); wing, 105-116 (110); tail, 48.5-60 (53.5); culmen, 21.5-25 

 (23.3); tarsus, 18-19.5 (18.8); middle toe, 16-18 (17.1).« 



Young female. — Similar to the adult female, but frontal area 

 yellowish olive, color of chest, etc., lighter and more olivaceous, 

 more grayish posteriorly, and faintly spotted or mottled with darker 

 (the upper chest with a few small spots or short streaks of blackish), 

 and blackish bars of flanks, etc., much less distinct and less regular. 



Western Panama (Bugaba and Divala, Chiriqui) and southwestern 

 Costa Rica (T6rraba; Boruca; Lagarto; Paso Real; Pozo Azul de 

 Pirris; Pozo del Rio Grande; El General). 



Melanerpes chrysauchen Salvin, Proc. Zool. Soc. Lond., 1870, 213 (Bugaba, 

 Chiriqui, Panama; coU. Salvin and Godman).— Ridgway, Proc. U. S. Nat. 

 Mus., iv, 1881, 96, in text.— Hargitt, Cat. Birds Brit. Mus., xviii, 1890, 160 

 (Bugaba, Chiriqui).— Cherrie, Proc. U. S. Nat. Mus., xiv, 1891, 537 (Pozo 

 Azul,s. w. Costa Rica); Expl. ZooL Merid. Costa Rica, 1893, 46 (Lagarto and 

 Terraba, s. w. Costa Rica). — Salvin and Godman, Biol. Centr.-Am., Aves, 

 ii, 1895, 414, pi. 60.— Bangs, Auk, xxiv, 1907, 292 (Boruca, Paso Real, and 

 Pozo del Rio Grande, s. w. Costa Rica).— Carriker, Ann. Carnegie Mus., 

 vi, 1910, 586 (s. w. Costa Rica; habits). 



[Melanerpes] chrysauchen Sclater and Salvin, Nom. Av. Neotr., 1873, 100. — 

 Sharpe, Hand-list, ii, 1900, 210. 



[Picus] chrysauchen Giebel, Thes. Orn., iii, 1876, 150. 



Genus CHLORONERPES Swainson. 



Chloronerpes Swainson, Classif. Birds, ii, 1837, 307. (Type, Picus rubiginosus 

 Swainson.) 



Lampropicus Malherbe, Mon. Picid., Introd., 1861, p. liii. (Type, Picus 

 aurulentus Temminck.) 



Craugasus,^ part, Cabanis and Heine, Mus. Hein., iv, heft 2, Oct. 9, 1863, 157. 

 (New name for Chrysopicus Bonaparte (not Chrysopicos Malherbe) and Lam- 

 propicus Malherbe, on grounds of purism.) 



Medium-sized Picidse (wing 98-137 mm.) closely similar in struc- 

 tural characters to Tripsurus, Centurus, etc., but differing con- 

 spicuously in coloration, the upper parts mostly plain olive-greenish, 

 under parts barred with olive, or dusky, and yellowish, and inner 



a Eleven specimens. 



Locality. 



Ten adult males from southwestern Costa Rica. 

 Five adult males from western Panama 



Ten adult females from southwestern Costa Rica. 

 One adult female from western Panama 



Wing. 



112.1 

 112.4 



110.2 

 108 



TaU. 



Ex- 

 posed 

 culmen. 



54.6 

 55.7 



53.9 

 50.5 



26 

 25 



23.3 



22.5 



Tarsus. 



19.5 

 19.4 



18.8 

 18.5 



Outer 

 ante- 

 rior toe. 



17.9 

 17.4 



17.1 

 16.5 



b " Von Kpauyaaoc {=Kpauy6c, Specht)." (Cabanis and Heine. ) 



