NO. 2 BIRDS OF ISLA ESCUDO DE VERAGUAS — WETMORE 1 5 



Description. — Type, U.S.N.M. No. 469015, male adult, from Isla 

 Escudo de Veraguas, Bocas del Toro, Panama, taken March 1, 1958, 

 by Alexander Wetmore (original No. 22230). Throat, upper fore- 

 neck, malar region, loral area, a line on the margin of upper and 

 lower eyelids surrounding the eye, a superciliary line extending back 

 from the center of the eye, and the auricular region white, with some 

 mixture of black on loral area and along upper eyelid; crown, hind- 

 neck, side of neck, side of head, except as noted above, and a line 

 separating the white malar area from the throat, deep black; back, 

 rump, and upper tail coverts auburn, the tail coverts with short central 

 bars of black along the shaft; wing coverts auburn, with irregular 

 shaft lines and subterminal bars of dusky neutral gray ; tertials and 

 outer webs of secondaries auburn, barred heavily with dusky neutral 

 gray ; outer webs of innermost primaries auburn, changing on the 

 outer ones to hazel, the brighter color finally reduced to a narrow 

 edging on the ninth and tenth ; concealed webs of remiges fuscous- 

 black ; rectrices dusky neutral gray, barred narrowly with hazel ; breast 

 and center of abdomen ochraceous-tawny ; sides and flanks hazel ; 

 under tail coverts ochraceous-tawny, barred heavily with black; axil- 

 lars ochraceous-tawny; under wing coverts ochraceous-buff, mixed 

 with white ; edge of wing white. Maxilla dusky neutral gray ; mandi- 

 ble pale smoke gray, becoming smoke gray at the base ; tarsus and toes 

 fuscous-black (from dried skin). 



Measurements. — Males (5 specimens), wing, 75.2-79.2 (77.0), tail 

 58.6-62.3 (60.2), culmen from base 21.8-24.2 (23.2), tarsus, 28.4- 

 31.8 (29.7) mm. 



Females (6 specimens), wing 70.2-72.8 (71.6), tail 54.5-58.8 

 (56.8), culmen from base 21.0-22.3 (21.5), tarsus 26.2-28.7 (27.2) 

 mm. 



Type, male, wing 75.2, tail 58.8, culmen from base 24.0, tarsus 

 29.1 mm. 



Range. — Isla Escudo de Veraguas, at sea off the base of the 

 Valiente Peninsula, Bocas del Toro, Panama. 



Remarks. — The actual difference in measurements will be indicated 

 by consulting the summary of a series of Thryothorus nigricapillus 

 costaricensis, the nearest relative, both physically and geographically, 

 that is given in the review of the species that follows. 



The name of the new race is from the Latin odicus, musical, appro- 

 priate because of the pleasing song. 



The complete and definite dissimilarity in the lower surfaces found 

 in this group of wrens between the chestnut-breasted, white-throated 

 groups of the Caribbean slope of Nicaragua, Costa Rica, and Bocas 



