342 
ELECTRON PLATYRHYNCHUM SUBOLES Nelson. 
Electron platyrhynchus suboles NELSON, Smithson. Misc. Coll., Vol. 60, 
No. 3, September 27, 1912, p. 5 (“Cana (at 2,000 feet altitude), eastern 
Panama’”’). 
Chars. subsp—sSimilar to Electron platyrhynchum platyrhynchum, but 
much smaller; pileum paler and duller; and chin more distinctly greenish. 
Measurements.—Male (type) : wing, 117 mm.; tail, 1771; exposed culmen, 
42; tarsus, 18; middle toe without claw, 13.5. 
Type locality —Cana (altitude 2,000 feet) Darien, eastern Panama. 
Geographic distribution—Eastern Panama. 
Remarks.—This form has a rather limited distribution in eastern Panama, 
and extends possibly to at least the lower Atrato Valley in northwestern 
Colombia, although birds from the upper part of this valley are Electron 
platyrhynchum platyrhynchum. 
ELECTRON PLATYRHYNCHUM MINOR (Hartert). 
Prionirhynchus platyrhynchus minor HARTERT, Noyit. Zool., V. No. 4, 
December 31, 1898, p. 498 (‘‘Panama’’). 
Chars, subsp.—sSimilar to Electron platyrhynchum suboles, but bill rel- 
atively shorter and broader; green of upper parts duller, more olivaceous ; 
and under parts less bluish. 
Measurements, —Male: wing, 110—118 (average, 112.8) mm.; tail, 155— 
192 (171) ; exposed culmen, 35—40 (38.1) ; tarsus, 17—18.5 (17.8) ; middle 
toe without claw, 13—15.5 (15.1). 
Female: wing, 106—116 (average, 110.9) mm.; tail, 151.5—186.5 (168.6) ; 
exposed culmen, 34—39 (36.5) ; tarsus, 16.5—18 (17.2) ; middle toe without 
claw, 183—15 (13.9). 
Type locality —Panama. 
Geographic distribution.—Central America, east to Canal Zone in Panama, 
and west through Costa Rica to eastern Nicaragua. 
ELECTRON PLATYRHYNCHUM ORIENTICOLA, subsp. nov. 
Chars. subsp—Similar to Plectron platyrhynchum platyrhynchum from 
western Ecuador, but smaller; subterminal portions of middle rectrices en- 
tire; upper parts paler; the back and wings more yellowish; lower surface 
lighter, and posteriorly much less bluish (more yellowish or greenish). 
Description—Type, adult female, No. 177,039, United States National 
Museum ; Hyutaniha, just below the falls of the Purus River, Brazil, March 
16, 1901; J. B. Steere. Pileum and cervix amber brown, verging toward 
Sanford’s brown; back deep yellowish oil green, its lower part cerro green ;: 
upper tail-coverts between grass green and meadow green; tail prussian 
1By mistake given as 188 mm. by Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 
1914, p. 474. 
“From Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 1914, pp. 472-473. 
