. The genera of birds : comprising their generic characters, a notice of the habits of the genus, and an extensive list of species referred to their several genera . MCZ LIBRARYHARVARD UNIVERSITYCAMBRIDGE. MA USA. MCZ LIBRARYHARVARD UNIVERSITYCAMBRIDGE. MA USA Order VIII. ANSERES. Family II. Colymbidje. The third Subfamily, HELIORNINiE, or Sun Grebes, have the Bill long, straight, and compressed, with the tip slightly curved and emarginated; the gonysof the lower mandible short and advancing upwards ; the Wings moderate and rounded ; the Tail longand much rounded ; the Tarsi short; and the Toe


. The genera of birds : comprising their generic characters, a notice of the habits of the genus, and an extensive list of species referred to their several genera . MCZ LIBRARYHARVARD UNIVERSITYCAMBRIDGE. MA USA. MCZ LIBRARYHARVARD UNIVERSITYCAMBRIDGE. MA USA Order VIII. ANSERES. Family II. Colymbidje. The third Subfamily, HELIORNINiE, or Sun Grebes, have the Bill long, straight, and compressed, with the tip slightly curved and emarginated; the gonysof the lower mandible short and advancing upwards ; the Wings moderate and rounded ; the Tail longand much rounded ; the Tarsi short; and the Toes margined with a membrane, which is more or lessunited to the middle one. Heliornis Bonn.* Bill longer than the head, straight, sides compressed, with the culmen rather elevated, and graduallycurved to the tip, which is acute and emarginated ; the gonys of the lower mandible short, and advancingupwards; the nostrils placed in a broad groove, with the opening large, longitudinal, and near themiddle. Wings moderate, with the second and third quills the longest. Tail long, broad, and muchrounded, with each feather broad and rounded at its end. Tarsi much shorter than the middle toe,robust, and scutellated in


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Keywords: ., bookcentury1800, bookdecade1840, bookidgeneraof, booksubjectbirds