. The birds of British Guiana, based on the collection of Frederick Vavasour McConnell. Birds. PLACOSTOMUS. Ii3 Gemis PLACOSTOMUS Eidgw. Placostomus Eidgway, Pj-oc. Biol. Soc. Wash, xviii. p. 208, Sept. 2, 1905. Type P. superciliaris (Lawr.).. Fig. 58.—Placostomus superciliaris. The species on which this genus is based has a wide flat bill, • the width at the base being nearly equal to the length of the exposed portion of the culmen. The wing is rounded, the second, third, and fourth primaries longest and subequal, the first about equal in length to that of the filth. The tail is square at the
. The birds of British Guiana, based on the collection of Frederick Vavasour McConnell. Birds. PLACOSTOMUS. Ii3 Gemis PLACOSTOMUS Eidgw. Placostomus Eidgway, Pj-oc. Biol. Soc. Wash, xviii. p. 208, Sept. 2, 1905. Type P. superciliaris (Lawr.).. Fig. 58.—Placostomus superciliaris. The species on which this genus is based has a wide flat bill, • the width at the base being nearly equal to the length of the exposed portion of the culmen. The wing is rounded, the second, third, and fourth primaries longest and subequal, the first about equal in length to that of the filth. The tail is square at the tip and about half the length of the wing. The tarsus about three- eighths the length of the tail and the hind toe and claw about equal to the middle toe and claw. Coloration: male and female similar. Key to the Species. A. Under smrface fawn-colour, not yellowish or greyish. , a. Larger, wing 68 mm.; coronal patch white. P. griseiceps, p. 143. h. Smaller, wing 53 mm.; coronal patch yellow P. insularis, p. 144. B. Under sm-face yellowish or grey, not fawn- colour. c. Larger, wing 59 mm.; coronal patch fiery chestnut P. saturatus, p. 145. d. Smaller, wing 56 mm.; coronal patch bright yellow P. gumia, p. 146. 441. Placostomus griseiceps. Gbey-headed Flat-bill. Platyrhynchus griseiceps Salvin, BuU. Brit. Orn. CI. vii. p 15, 1897 (Annai) ; Brabourne & Chubb, B. S. Amer. i. p. 269, no. 2743 1912. Adult male. Crown of head dark slate-colour with white bases. 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 Chubb, Charles; McConnell, Frederick Vavasour, d. 1914. London, B. Quaritch
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