. A history of British birds . econdaries andtail-feathers showing slight bars of umber-brown near thetips ; under parts pale brown. The Editor considers that there is only one species oflarge Noddy, to which about a dozen different specific nameshave been applied; Mr. R. B. Sharpe distinguishes inaddition to the above :—Anous superciliosus of the coast ofCentral America and the Antilles; A. pliimbeigularis of theRed Sea; and A. gahipdr/eusis of the Galapagos Archipelago(Phil. Trans, clxviii. pp. 463-469). The genus also containstwo very distinct and smaller species:—A. mdanogcnys andA. tenuir
. A history of British birds . econdaries andtail-feathers showing slight bars of umber-brown near thetips ; under parts pale brown. The Editor considers that there is only one species oflarge Noddy, to which about a dozen different specific nameshave been applied; Mr. R. B. Sharpe distinguishes inaddition to the above :—Anous superciliosus of the coast ofCentral America and the Antilles; A. pliimbeigularis of theRed Sea; and A. gahipdr/eusis of the Galapagos Archipelago(Phil. Trans, clxviii. pp. 463-469). The genus also containstwo very distinct and smaller species:—A. mdanogcnys andA. tenuirostrls, the former having a wide intertropical range ;the latter restricted, so far as is known, to the district betweenthe Red Sea and Australia ; and a doubtfully distinct species,A. leucocapillus, occurs in Australian and Polynesian are also two small and very closely-allied grey-mantledspecies :—A. caruleiis of the tropical Pacific, and A. cinereusof Eastern Australasia. SABINES GULL. GA me. Xema sabinii (J. Sabine*). SABINES GULL. Larus Sabini. Xema, Leachf.—Bill rather shorter than the head, moderately stout, theupper mandible decurved from beyond the nostrils to the tip, the gonys angu-lated and advancing upwards ; nostrils basal, lateral, linear. Legs moderatelylong; the lower part of the tibite bare for some distance; tarsi tolerably strong ;three toes in front entirely palniated, hind toe small, elevated. Wings long, thefirst quill-feather the longest. Tail distinctly forhed. The prominent angle at the symphisis of the under man-dible ; the extent of the palmated membrane between thetoes, and the almost square tail observed, more or less, insome of the Terns, indicate a degree of connection with theGulls ; and the Gull here first inserted, by its forked tail,exhibits one point of resemblance to the greater number * Larus Sabini, Joseph Sabine, Trans. Linn. Soc. xii. p. 520, pi. xxix (1818). t Xema, Leanh ; J. Ross, in Rosss Voy. App.
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Keywords: ., bookauthorsaun, bookcentury1800, bookdecade1870, booksubjectbirds
