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BIRDS OF NORTH AND MIDDLE AMERICA.
195
Adult female. — Length (skins), 126-136 (130); wing, 48.5-51 (49.9); tail, 60-67.5 (62.9); culmen, 11-12.5 (11.7); tarsus, 17.5-19 (18.5); middle toe, 13.[1]
Southwestern Costa Rica (Buenos Aires; Boruca, Paso Reál, and Barranca, Boruca; Térraba); western Panamá (Santa Fé de Verágua)?[2]
- Synallaxis albescens (not of Temminck) Salvin, Proc. Zool. Soc. Lond., 1867, 143 (Santa Fé de Verágua, Panamá; crit.). — Sclater, Proc. Zool. Soc. Lond., 1874, 9, part (Verágua; monogr.); Cat. Birds Brit. Mus., xv, 1890, 43, part (Santa Fé de Verágua). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1891, 147, part (Santa Fé de Verágua). — Cherrie, Expl. Zool. Merid. Costa Rica, 1893, 38 (Térraba and Buenos Aires, s. w. Costa Rica).
- [Synallaxis] albescens Sclater and Salvin, Nom. Av. Neotr., 1873, 63, part. — Sharpe, Hand-list, iii, 1901, 54, part (Panamá).
- Synallaxis albescens latitabunda Bangs, Auk, xxiv, July, 1907, 298 (Boruca, s. w. Costa Rica; coll. E. A. and O. Bangs). — Carriker, Ann. Carnegie Mus., vi, 1910, 634 (s. w. Costa Rica; habits).
SYNALLAXIS ALBESCENS HYPOLEUCA Ridgway.
WHITE-BREASTED SYNALLAXIS.
Similar to S. a. laiitabunda but under parts (including chest) nearly pure white (only the upper portion and sides of chest very faintly shaded with pale brownish gray, passing into pale buffy brown or light wood brown on sides and flanks and pale brownish buff on under tail-coverts); general color of upper parts lighter and more buffy brown.
- ↑ Four specimens.
Locality. Wing. Tall. Culmen. Tarsus. Middle
toe.males. Eight adult males from Costa Rica Nine adult males (S. a. albigularis) from Colombia 52.2 68.5 11.7 18.9 12.9 Five adult males (S. a. albigularis) from Venezuela 56.3 74.3 11.7 19.3 14.1 Nine adult males (S. a. albigularis) from Trinidad 55.3 70 12.4 19.6 13.6 Two adult males (S. a. nestotis) from Margarita Island, Venezuela 54 69.7 12.2 18.2 13.2 One adult male (S. a. albescens) from Argentina 53.5 68.5 11 18 11.5 females. Four adult females from Costa Rica 49.9 62.9 11.7 18.5 13 Five adult females (S. a. albigularis) from Colombia 55 68.8 11.7 19.3 13.7 Two adult females (S. a. albigularis) from Venezuela 53.2 66.5 12.2 19.2 13.5 Three adult females (S. a. albigularis) from Trinidad 53.3 69.5 12.7 19 14.2 One adult female (S. a. albigularis?) from British Guiana 57 77 13 19.5 13.5 One adult female (S. a. nesiotis) from Margarita Island 55 73.5 12.5 19 14.5 - ↑ No Panamá specimens seen by me.
