r Vol. 64, pp. 65-72 May 14, 1951 PROCEEDINGS OF THE " BIOLOGICAL SOCIETY OF WASHINGTON FOUR NEW VENEZUELAN BIRDS By Wili/IAm H. Phelps and William H. Phelps, Jr. The junior author wishes to thank Mr. J. D. MacDonald, Curator of Birds in the British Museum, for the facilities given him for the examination of the type of Phylloscartes (Leptopogon) nigrifrons (Salvin and Godman). Study of specimens recently acquired by the Phelps Collection and of comparative material in the American Museum of Natural History, the U. S. National Museum and the Carnegie Museum shows the follow-ing new subspecies. We thank the Curators of these museums for per-mitting us to have access to their collections. Specimens listed are in the Phelps Collection, unless otherwise specified. Names of colors are capitalized when direct comparison has been made with "Ridgway's Color Standards and Color Nomenclature," 1912. Glaucidium brasilianum margaritae, new subspecies Type: From Boca de Rio, Isla de Margarita, Nueve Esparta, Vene-zuela; at sea level. No. 48439, Phelps Collection, Caracas, Venezuela. Adult male (brown phase) collected May 18, 1949, by Ram6n Urbano. (Type on deposit at the American Museum of Natural History.) Diagnosis: Differs from large topotyypical series of the brovm phase of G. b. phaloenoides (Daudin) from Trinidad by more numerous and more extensive white markings on back and wings; above more grayish, less brownish; the crown more spotted, less lined; below whiter with narrower striping. The upper parts differ from G. b. medianum Todd of Santa Marta, Colombia, in a similar way. Range: Known only from Margarita Island. Description of Type: Back and rump Prout's Brown; crown and nape paler; upper tail-coverts more rufous; crown and nape thickly spotted with white and with only a few short white lines on the crovra; back and uropygium uniformly spotted with white, the scalpulars with large cuadrangular white markings; ear-coverts mixed brown and white; gular region white. Chin brown, continuous with color of neck; a whit-ish area on throat and anterior breast ; rest of under parts white streaked with Prout's brown, more heavily on the sides and flanks; axillaries white. Wings darker than Natal Brown; remiges prominently barred with white or buffy; upper wing-coverts prominently barred or spotted with white; under wing-coverts white mixed with dark brown. Tail Prout's Brown, under surface paler with six white bands and tipped narrowly with buffy. Bill (in life) "greenish yellow"; feet "greenish yellow"; iris "yel-low." Wing, 101 mm.; tail 70; exposed culmen, 13; culmen from base 16; tarsus, 22. Bemarhs: Sexes alike. Size similar to phaloenoides. Range of meksnre ments: three adult males — wing, 88-101 (92.7) mm.; tail 58-70 (62.3); 10— Proo. Biol. Boo. Wash., Voiv. 64, 19&1 (65) *^^4»95»
BioStor
