. Catalogue of the fossil birds in the British Museum (Natural History). 20 Genus CIRCUS, Lacepodc'. The tarso-mctatarsus in this ^enus (fig. G) is alwaj^s elongated, although there is a considerable amount of specific variation in this respect; and its external trochlea is much compressed latcrallj'. The tibio-tarsus is also elongated, with the distal extremity but slightly expanded. CtrcitjS goultii, Bonaparte ^ The only New-Zealand species; readily characterized by the ex- treme length and slenderness of the tarso-metatarsus. Hah. New Zealand. 32345 a. The left tibio-tarsus, wanting the pro
. Catalogue of the fossil birds in the British Museum (Natural History). 20 Genus CIRCUS, Lacepodc'. The tarso-mctatarsus in this ^enus (fig. G) is alwaj^s elongated, although there is a considerable amount of specific variation in this respect; and its external trochlea is much compressed latcrallj'. The tibio-tarsus is also elongated, with the distal extremity but slightly expanded. CtrcitjS goultii, Bonaparte ^ The only New-Zealand species; readily characterized by the ex- treme length and slenderness of the tarso-metatarsus. Hah. New Zealand. 32345 a. The left tibio-tarsus, wanting the proximal third; from superficial deposits yielding remains of Dlnornithidce, at Waingongoro, North Island. The slightness of the distal expansion, characteristic of the genus, is noticeable. Walter Mantell Collection, PurcJiased about 1855. 33233 a. The left tarso-metatarsus of a female, probably belonging {P^ff') to the same individual as the preceding specimen ; from Waingongoro. This specimen (fig. 6), in which the inner Fig. Circus ffoiildi.—The left tarso-metatarsus ; from the superficial de|)osits of New Zealand. }. 1 M6m. de I'lnstitut, vol. iii. p. 506 (1801). ^ Conspectus Avium, vol. i. p. 34 (1850).. 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 British Museum (Natural History). Department of Geology. [Birds]; Lydekker, Richard, 1848-1915. London
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