. The birds of British Guiana, based on the collection of Frederick Vavasour McConnell. Birds. PAOHYEHAMPHTTS. 271 Genus PACHYRHAMPHUS Gray. Pachyrhamphus Gray, List Gen. B. p. 31, 1840. Type P. viridis (VieiUot).. Fig. ^To show the abortive and incited tip of the second primaiy. In this genus the bill is more or less depressed, the width at the base being about four-fifths the length of the exposed culmen, and the upper mandible hooked at the tip. The rictal bristles are only slightly developed. The wing is rounded, the third and fourth priraary-quills longest and equal, the second abort
. The birds of British Guiana, based on the collection of Frederick Vavasour McConnell. Birds. PAOHYEHAMPHTTS. 271 Genus PACHYRHAMPHUS Gray. Pachyrhamphus Gray, List Gen. B. p. 31, 1840. Type P. viridis (VieiUot).. Fig. ^To show the abortive and incited tip of the second primaiy. In this genus the bill is more or less depressed, the width at the base being about four-fifths the length of the exposed culmen, and the upper mandible hooked at the tip. The rictal bristles are only slightly developed. The wing is rounded, the third and fourth priraary-quills longest and equal, the second abortive and incised on the inner web at the tip, and the first about equal in length to the fifth. The tail is rounded at the tip, the outermost feather on each side about 5 mm. shorter than the middle ones, and about three-fifths the length of the wing. The tarsus is about twice the length of the exposed culmen. Coloration: male and female difEerent. Key to tJie Species. A. Under surface greyish white. a. Larger; crown of head black; back green P. griseigula/ris 272. a'. Crown of head green like the back $ , p. 272. J. Smaller; crown of head black; back ash-grey, sometimes tinged with green P. »•«/«« cJ, p. 273. v. Crown of head and back rufous. P. rufus J, p. 273. B. Under surface slate-black. c. Crown of head and back black P. macconnelli <S, p. 274, d. Crown of head and back olive-green ; under surface lemon-yellow P. macconnelli $, p. 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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