. Birds. Birds. Fig. 40.—Dichoceros Uoomis and nest. Suborder BUGEBOTES. Caeca wanting; oil-gland tufted. Sternum with two shallow notches, one on each side in the posterior margin; behind the ill-developed manubrium is a perforation as in Meropidas. Both carotids present as a rule, though there are exceptions. Spinal feather-tract not defined on the neck, which has no lateral bare tracts or apteria ; no aftershaft; no down on bare parts of skin. Deep plantar tendons as in Goracice. Eamily BTJCEROTID^. An enormous bill, generally curved, and furnished in most genera with a casque upon the basa
. Birds. Birds. Fig. 40.—Dichoceros Uoomis and nest. Suborder BUGEBOTES. Caeca wanting; oil-gland tufted. Sternum with two shallow notches, one on each side in the posterior margin; behind the ill-developed manubrium is a perforation as in Meropidas. Both carotids present as a rule, though there are exceptions. Spinal feather-tract not defined on the neck, which has no lateral bare tracts or apteria ; no aftershaft; no down on bare parts of skin. Deep plantar tendons as in Goracice. Eamily BTJCEROTID^. An enormous bill, generally curved, and furnished in most genera with a casque upon the basal portion of the culmen; this casque varies in shape, and is generally hollow or cellular, but the anterior part is solid in Rhinoplax. Primaries 11. Tail-feathers 10. The under wing-coverts as a rule do not cover the basal part of the quills, and this may, as Mr. Ogilvie Grant has suggested, account for the extraordinary noise made by some of the larger forms when flying, the sound being produced by the air rushing between the quills. The eyelids are furnished with strong eye-. 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 Oates, Eugene William, 1845-1911; Blandford, William Thomas, 1832-1905. London, Taylor and Francis
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