. The birds of eastern North America known to occur east of the nineteenth meridian .. . elong-ated, as in the Old Squaw and Pintail Duclc, and in otlier families ofbirds, such as Phitthon and Stercorarius. In such cases it is well togive the length from bill to longest tail feather, and also to end ofouter tail feather.) Tail.—Distance from the tip of the longest tail feather to its base (the point whereit enters the body). Bill.—The distance in a straight line from where the bill (upper mandible) joinsthe skin of the forehead (A) to the tip (B). (There are a few excep-tions to this rule, in
. The birds of eastern North America known to occur east of the nineteenth meridian .. . elong-ated, as in the Old Squaw and Pintail Duclc, and in otlier families ofbirds, such as Phitthon and Stercorarius. In such cases it is well togive the length from bill to longest tail feather, and also to end ofouter tail feather.) Tail.—Distance from the tip of the longest tail feather to its base (the point whereit enters the body). Bill.—The distance in a straight line from where the bill (upper mandible) joinsthe skin of the forehead (A) to the tip (B). (There are a few excep-tions to this rule, in other families, such as birds with frontal plate, curved bills are measured along the curve of the culmen, and at,times it is advisable to measure from the nostril to the tip of the bill,but in such cases it should always be so stated.) Tarsus. —Distance in front of the leg from what appears to be the knee joint (endof tibia) to the root of the middle toe. All measurements are givenin inches and fractions of an inch. HOW TO MEASURE A BIRD, HOW TO MEASURE A BIRD. Length. Wing Bitt
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
