Narrative of the surveying voyages of his majesty's ships Adventure and Beagle (vol.1): between the years 1826 and 1836 : describing their examination of the southern shores of South America, and the Beagles's circumnavigation of the globe

CATALOGUE — BIRDS. 543 77.ANASCHILOENSIS — Nob. in Proceedings of Zool. Society. An. fronte, gems, ahdomine, uropygio, ptermnatibusquc albis ; cajnte posteriori, collo, dorso inferiori, ptilis, remigihiisque p}imariis, caudaquefuscis ; doiso superiori, pectoreqne fusco et alhofasciatis ; remigibus secundariis et tertiis scapularibusque nitide atris, his alba lineatis ; abdominis lateribus crissoq?ce rnfescentibus ; striga post ocnlos, lata splendide pnrpurasce?iti-tnride. Length about 16 inches. Island of Chiloe. 78. Anas fretensis. — Nob. in Proceedings of Zool, Soc. A?i. gula, genis, collo, pectore, dorsoque anteriori pallide badiis ; collo graciliter undulato ; pectore dorsoque atiteriori atro maculato; dorso abdomirieque imis, crisso, caudaque albis nigro fasciatis ; dorsi Jasciis latis, abdominis gracillimiis, caudal sicblatio7-ibus , crissi sparsim undulatis ; capite siiprn, remigibus, scapularibusque pires- centi-atris ; his albo in medio lineatis ; tectricibus plumbeo-canis, fascia apicali alba ; speculo supra vii'idi, deiiide purpureo, fascia air a ajnce albo terminata. Statura Anatis creccoidis, Nob. Strait of Magalhaens. 79. Anas Rafflesii. — Nob. in Zool. Jour. iv. 97. An. castaneo-rttfa, capite abdomineque medio saturatiorbus ; notis dorsi, remigibus, caudd supra, crissoque nigris ; ptilis cceruleis, pteromatibus albis, speculo alarum viridi. A figure of the bird is given in the supplementary plates of the Zool. Jour. Supp. XXIX. Length, 20 inches. Strait of Magalhaens, and Western coast to Chiloe. This beautiful bird bears the name of the late Sir J. Stamford Raffles, to whose exertions the science of Zoology is under no trifling obligation. 80. Anas specularis. — Nob. in Zool. Jour. iv. 98. An. capite summo, dorso, alis, cauddque nigris : subtus pallide griseus, pectore brunneo undulato : speculo lato purpurascenti- aureo splendente, fascia atrd alterdque albd marginato : macula iitrinque suboctilari, mento, thoraceque albis. The length of the bird is 26 inches ; of the bill 2| ; of the wing.