. The naturalist's guide in collecting and preserving objects of natural history : with a complete catalogue of the birds of the eastern Massachusetts . the testicles vary in size between this and the some birds they are elongated, and black in color,as in the Herons; but they al\va3s occupy the same posi-tions so nearly as to be readily distinguished. The pecu-liar white glands (2) are in this instance very prominent,but they are readily known in all birds by their being flat,while the testicles are always spherical. Plate V., Fig. 1. This is an adult female (9) in thebreeding se
. The naturalist's guide in collecting and preserving objects of natural history : with a complete catalogue of the birds of the eastern Massachusetts . the testicles vary in size between this and the some birds they are elongated, and black in color,as in the Herons; but they al\va3s occupy the same posi-tions so nearly as to be readily distinguished. The pecu-liar white glands (2) are in this instance very prominent,but they are readily known in all birds by their being flat,while the testicles are always spherical. Plate V., Fig. 1. This is an adult female (9) in thebreeding season. 1, 1, are the same peculiar glands observedin the males; 2 is the ovary, a mass of spheres at thisseason quite yellow and prominent; 3 is the oviduct, oregg-passage, much enlarged in the present case, as it alwaysis dvuing the breeding season, when it assumes a thick,swollen appearance, while at other times it is translucent,much smaller, and resembles a narrow, whitish line, notreadily perceived. Plate VI., Fig. 2, is a young-of-the-year female in au-tumn. 1,1, the same white glands that at this stage of the THE ART OF PRESERVING BIRDS. 29. %1 Plate V. 30 THE NATURALISTS GUIDE.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, booksubjecttax
