. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds. Birds; Birds; 1887. Fig. .5.—Instiuinetits lor blowing eggs; after Newton. a,b, blow-pipes, J iiat. size ; c, wire for cleansing them; d, syringe, -J nat. size (tlie ring of the han
. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds. Birds; Birds; 1887. Fig. .5.—Instiuinetits lor blowing eggs; after Newton. a,b, blow-pipes, J iiat. size ; c, wire for cleansing them; d, syringe, -J nat. size (tlie ring of the handle auist be large enough to insert the thumb); e, bulbous insufflator, for sucking eggs. Fig. 4. —Egg-drills, diflerent sizes, nat. size; after Newton. thin pair of scissors, light spring for- ceps, some little hooks, and a small syringe. They are inexpensive, and may be had of any dealer in natur- alists' supplies. (See figs. 4-7.) Eggs should never be blown in the old way of making a liole at each end ; nor are two holes any- where usually required. Opening should be effected on one side, j)referably that showing least conspicuous or characteristic marlcings. If two are made, they should be rather near together; <jn the same side at any rate. But one is generally sutficient, as the fluid contents can escape around the blow-pipe. H(.dding the egg gently but steadily in the fingers,^ 'ipply ^^ point of ^ The usual method of emptying eggs through one small hole is doubtless supposed to be a very modern trick; but it dates back at least to 1S2S, when M. Danger proposed '* a new method of preparing and preseving eggs for the cabinet," which is practically the one now followed, though he used a three-edged needle to prick the hole, instead of our modern drill, and did not appear to know some of our ways of managing the embryo. 1 make this reference to his article to call attention to one <^f the tools he recommends, which I think would prove useful, as being better
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1887
