BIRDS OF NORTH AND MIDDLE AMERICA. 425 



KEY TO THE SPECIES AND SUBSPECIES OF EL.ENIA. 



a. Throat, and chest grayish (not olivaceous or yellowish i, in contrast witli yellow or 

 white of abdomen. (Ehvnia martinica.) 

 h. Under parts of hody whitish. (Lesser Antilles, except islands south of Si. Vin- 

 cent; St. Thomas, Tortola, Virgin Gorda, Grand Cayman, Little Cayman and 

 Cayman Brae, Greater Antilles; Cozumel, Mujeres, and Meco islands, Yucatan; 

 Half Moon Cay, British Honduras; Old Providence and Cura(;ao islands, 



southern Caribbean Sea.) ■. Elsenia martinica martinica ( p. 426) 



hh. Under parts of body yellow. 



c. Yellow of under parts paler, olive of upper parts paler and (usually) grayer, and 

 gray of chest darker and more tinged with olive. (Coloml)ia, VenezAxela, 

 Trinidad, Tobago, and Guiana to southern Brazil, i 



Elsenia martinica flavogastraiextralimitaD.o 



cc. Yellow of under parts deeper, olive of back darker and (usually) browner, and 



gray of chestjpaler or clearer. (Southeastern Mexico to Panama; St. Vincent 



and more southern Lesser Antilles.) Elaenia martinica subpagana (p. 429) 



aa. Throat and chest more or less olivaceous or yellowish, not contrasting with color of 

 abdomen. 

 h. Under wing-coverts pale creamy or buffy yellow; throat more grayish. {Elxnia 

 chiriquensis.) 

 c. Color of upper parts slightly paler and grayer; wings and tail averaging slightly 

 longer, bill averaging slightly shorter (adult male with wing averaging 74.1, 

 tail 60.9, exposed culmen 11.1). (Panama and Santa Marta district of 

 Colombia and south to southern Brazil.) .Elaenia chiriquensis chiriquensis (p. 432) 

 cc. Color of upper parts slightly darker and more olivaceous; wing and tail aver- 

 aging slightly shorter, bill averaging slightly longer (adult male with wing 

 averaging 72.4, tail 60.1, exposed culmen 11.4). (San Miguel I., Bay of 



Panama.) Elaenia chiriquensis sordidata fp. 433) 



66. Under wing-coverts sulphur yellow; throat more yellowish. 



c. Wing more than 73 mm.; chest uniform light olive. {Elxniafrantzii.) 



d. Color of upper parts lighter or clearer olive; under parts paler yellowish. 



(Guatemala to Panama.) Elaenia frantzii frantzii (p. 434) 



dd. Color of upper parts darker and browner olive; under parts much deeper 

 yellowish. (Northern Peru.). . .Elaenia frantzii stolzmanni (extraliniital) ^ 

 cc. Wing not more than 70 mm. ; throat more grayish. 



d. Under parts more decidedly yellowish, without white on abdomen; crown 

 with a distinct concealed patch of white. 



a Pipra flavogaster Thunberg, Mem. Acad. Imp. St. Petersb., viii, 1822, 286 (Brazil; 

 type now in coll. Mus. Roy. Univ. Upsala: see Lonnberg, Ibis, 1903, 241, 242). — 

 Elainea flavogastra Lonnberg, Ibis, 8th. ser., iii, April, 1903, 242. — M[iiscicapa] pagona 

 Lichtenstein, Verz. Dou])l., 1823, 54 (Bahia, Brazil). — Elainea pagana Cabanis, in 

 Schomburgk's Reise Brit. Guiana, iii, 1848, 701; Sclater, Cat. Birds Brit. Mus., xiv, 

 1888, 137, part (excl. syns. Elainea subpagana and E. cJdnquensis). — (?) Muscicapa 

 hrevirostris Maximilian, Beitr. Naturg. Bras., iii, pt. ii, 1831, 799 (Rio de Janeiro, 

 Brazil; type now in coll. Am. Mus. N. H.). — (?) Elainea semi pagana Sclater, Proc. 

 Zool. Soc. Lond., 1861, 406 (Babahoyo, w. Ecuador; coll. P. L. Sclater).— i/i/io6«(s 

 martinicus (not Muscicapa martinica Iiinna?us) Leotaud, Ois. Trinidad, 1866, 224. 



bElienia frantzii stnlzmannii Ridgway, Proc. Biol. Soc. Wash., xix, 1906, 116 (Tam- 

 billo, northern Peru; coll. U. S. Nat. Mus.) 



