. A monograph on the anatidae, or duck tribe. produced in front, and not continued to theposterior margin ; posterior margin furnished with two fissures narrowed posteriorly, each inte-riorly large, and oval; or with two foramina on each side, much broader posteriorly than extending far backwards, with the processes on the posterior margin arcuated or bifid atthe extremity. Coracoid process slightly elongated anteriorly. Os furcatum with the rami archedin front, more so above. Pelvis of moderate width, long. Cranium at the occiput higher thanbroad. Type. Fuligula. Habit. Aquati
. A monograph on the anatidae, or duck tribe. produced in front, and not continued to theposterior margin ; posterior margin furnished with two fissures narrowed posteriorly, each inte-riorly large, and oval; or with two foramina on each side, much broader posteriorly than extending far backwards, with the processes on the posterior margin arcuated or bifid atthe extremity. Coracoid process slightly elongated anteriorly. Os furcatum with the rami archedin front, more so above. Pelvis of moderate width, long. Cranium at the occiput higher thanbroad. Type. Fuligula. Habit. Aquatic and marine, feeding on small molusca, and occasionally small fish; someof the species p >ssess considerable power of flight. Affinity. The sterna of some genera of this family, Clangula and Harelda, are furnishedwith an ensiforra process as in the Mergansers. In the former the trachea also much resemblesthat family. To the Anatinm, as we have before stated, we believe it to be connected through thegenu us and Carina. II FULIGULIN^E.] 50.
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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838
