. The structure and classification of birds . FIG. 107.—ANCONAL ASPECT OF LEFTHUMERUS OF Trochilus Alexandri(AFTER SHUFELDT). , pneumatic fossa. FIG. 108—PALMAR ASPECT OFBONE (AFTER SHUFELDT). The humerus in both families is extremely short ; the radialcrest is well developed in both into a long process whichcurves over the shaft in the Trochilidae, but over the head inthe swifts. CAPRIMULGI CAPRIMULGI Definition.—Anisodaciyle. Oil gland Beatrices, ten. Aquinto-cubital. Aftershafb present. Skull holorhinal. Both carotidspresent. Cseca - large. Ambiens and accessory femorocaudalabsent
. The structure and classification of birds . FIG. 107.—ANCONAL ASPECT OF LEFTHUMERUS OF Trochilus Alexandri(AFTER SHUFELDT). , pneumatic fossa. FIG. 108—PALMAR ASPECT OFBONE (AFTER SHUFELDT). The humerus in both families is extremely short ; the radialcrest is well developed in both into a long process whichcurves over the shaft in the Trochilidae, but over the head inthe swifts. CAPRIMULGI CAPRIMULGI Definition.—Anisodaciyle. Oil gland Beatrices, ten. Aquinto-cubital. Aftershafb present. Skull holorhinal. Both carotidspresent. Cseca - large. Ambiens and accessory femorocaudalabsent. Deep flexor tendons of type V. This group of birds shows a considerable amount ofstructural variation, which allows of the separation of thegenera into at least two families ; they are, however, allunited by the characters in the above definition. The
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898
