. The birds of British Guiana, based on the collection of Frederick Vavasour McConnell. Birds. 458 BIRDS OF BRITISH GUIANA. Genus SPIZA Bonap. Spiza Bonaparte, Journ. Philad. Acad. iv. p. 45, 1824. Type S. ameri- cana (Gmel.).. Fig. 172.—Spiza americana. This monoiypic genus is easily distinguished by its square tail with its obliquel3'--cut and pointed feathers. The bill is somewhat stout and pointed, the depth and width at the base are about equal, and is about three-fourths the length of the exposed culmen. The wing is rounded, the first, second, and third primaries are longest and equal. T
. The birds of British Guiana, based on the collection of Frederick Vavasour McConnell. Birds. 458 BIRDS OF BRITISH GUIANA. Genus SPIZA Bonap. Spiza Bonaparte, Journ. Philad. Acad. iv. p. 45, 1824. Type S. ameri- cana (Gmel.).. Fig. 172.—Spiza americana. This monoiypic genus is easily distinguished by its square tail with its obliquel3'--cut and pointed feathers. The bill is somewhat stout and pointed, the depth and width at the base are about equal, and is about three-fourths the length of the exposed culmen. The wing is rounded, the first, second, and third primaries are longest and equal. The tail is square at the tip and about five- eighths the length o£ the wing. The tarsus is about twice the length o£ the exposed culmen. Coloration: male and female similar, 639, Spiza americana. Black-throated Bunting. Umberiza americana Gmel. Syst. Nat. i. p. 872, 1789 (New York). Spiza americana Sharpe, Cat. B. Brit. Mus. xii. p. 770,1888; Bi-abourne &.Chubb, B. S. Amer. i. p. 375, no. 3853, 1912. Adult male. Grown of head dark yellowish green, with minute dark shaft-lines to the feathers ; hind-neck, sides of face, and ' sides of neck slate-grey ; upper back black with broad ash-brown margins to the feathers becoming rufous-brown on the scapulars where the shaft lines are narrower; lower back, rump, and upper tail-coverts dark earth-brown; lesser and median upper wing- coverts chestnut; greater upper wing-coverts and inner secon- daries blackish broadly margined with rufous-brown ; bastard- wing, primary-coverts, and flight-quills dark hair-brown, with pale inner edgings to the last; tail hair-brown ; lores, a line over the eye, and cheeks yellow like the fore-neck and middle of the breast; short feathers under the eye, a line along the sides of the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
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Keywords: ., bookauthormcco, bookcentury1900, bookdecade1910, booksubjectbirds
