. 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 . rew-lid opening, areadvisable. They are to be set in small, strong, wooden boxes, made to leave a little room forthe lid wTench, muslin bags for doing up separate parcels, parchmen


. 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 . rew-lid opening, areadvisable. They are to be set in small, strong, wooden boxes, made to leave a little room forthe lid wTench, muslin bags for doing up separate parcels, parchment for labels, etc. Unoc-cupied space in the cans should be filled with tow or a similar substance, to prevent thespecimens from swashing about. Labelling sliould be on parchment; the writing should beperfectly dry before immersion; india-ink is the best. Skinned bodies should be numbered tocorrespond with the dried skin from w^hich taken; otherwise they may not be birds thro\^ii in imskinned should have the belly opened, to let in the alcohol may be skiuued, after being in alcohol, by simply drying them : they often make fairspecimens. They are best withdrawn by the bill, that the swash of the alcohol at themoment of emersion may set the plumage all one way, and huug up to dry moisture that may remain after evaporation of the alcohol may be dried with


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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica