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Skeletal Studies of the Tropical Hawk Harpagus |
 | | Tarsus, tibia coracoid and humerus were compared in detail, with the result that my first impression was greatly strengthened and I came to agree pretty closely with Peters' arrangement. |
| | He recognizes nine subfamilies of the Accipitridae which he lists seriatim with Accipitrinae as no. 4. |
| | The genus Harpagus is assigned to subfamily no. 3, the Milvinae, including the old world type, Milvus milvus milvus. |
| elibrary.unm.edu /sora/Condor/files/issues/v039n05/p0219-p0221.html (1986 words) |
