. Ornithologia, or, The birds: a poem, in two parts : with an introduction to their natural history; and copious notes . le door,Wait tiie known call, and find protection there,From all the lesser tyrants of the air. By this arrangement, the first division of the whole familyof Birds, consisting of Insessores, Raptores, Rasores,Grallatores, and Natatores, might be considered asClasses, the division of each of which into five might constituteOrders ; and the division of each of these again into fivemight constitute the Genera. So that, if the Raptores should,by subsequent discovery, be complete
. Ornithologia, or, The birds: a poem, in two parts : with an introduction to their natural history; and copious notes . le door,Wait tiie known call, and find protection there,From all the lesser tyrants of the air. By this arrangement, the first division of the whole familyof Birds, consisting of Insessores, Raptores, Rasores,Grallatores, and Natatores, might be considered asClasses, the division of each of which into five might constituteOrders ; and the division of each of these again into fivemight constitute the Genera. So that, if the Raptores should,by subsequent discovery, be completed, the Classes, accordingto this arrangement, will be five; the Orders twenty-five;and the Genera, one hundred and twenty-five. It appears, however, thatMR. Vigors thinks,by his observa-tions in his Lectures at the Zoological Society, the quinarysystem is applicable to the more minute subdivisions of nature,and that the genera and species, &c. will be found to correspondin similar and continuous subdivision. ARRANGEMENT OF VIGORS. 41 The Arrangement of BirdsProposed by Nicholas Vigors, Esq. Mr, Vigors divides the Fcdconidce into five sub-families, thus: Aquilina or the Eagle Tribe. Accipitrhia or the Hawk Triee. Falconina or the Falcon Tribe. Buteonina or the Buzzard Tribe. Milvina or the Kite whole of the Imsessors as in the following diagram. 42 INTRODUCTION. Arrangement of the Perchers by Mr. Vigors.
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