. The naturalist's guide in collecting and preserving objects of natural history : with a complete catalogue of the birds of the eastern Massachusetts . %1 Plate V. 30 THE NATURALISTS Eg.] Young o Plate VL THE ART OF PRESERVING BIRDS. 31 birds life might at first sight be mistaken for the testiclesof the male, but, upon looking closely the ovary (2) canbe perceived, very small; upon applying a magnifying-glassit appears gi*anular. With these remarks and diagrams, I think any one withordinary ability will, with a little pi-actice, be able to de-termine this very important character in t
. The naturalist's guide in collecting and preserving objects of natural history : with a complete catalogue of the birds of the eastern Massachusetts . %1 Plate V. 30 THE NATURALISTS Eg.] Young o Plate VL THE ART OF PRESERVING BIRDS. 31 birds life might at first sight be mistaken for the testiclesof the male, but, upon looking closely the ovary (2) canbe perceived, very small; upon applying a magnifying-glassit appears gi*anular. With these remarks and diagrams, I think any one withordinary ability will, with a little pi-actice, be able to de-termine this very important character in the scientificstudy of birds. Contents of Stomach, etc. — The contents of the stomachmust next be examined, which is done by opening the giz-zard and crop. A little practice will enable the collectorto state con-ectly what it contains, although the glass issometimes necessary, as in the case of small birds. Thisis then recorded upon the slip of paper, which is put onfile, to be copied into a book, in the following manner, —leaving a page, or, if the book is not wide enough, twopages, for each species, — first placing the scientific name atthe head, as seen on the following page.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, booksubjecttax
