. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. FAMILY GULLS AND TEItNS. 41 SUB=FAMILY STERNIN/E. Terns. upper mandible, nearly straight, not hooked or decid° cdly rounded near tip; outer tail leathers, usually longer than middle feathers; toes, four; front toes, webbed; hind toe, small, but well Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cory, Charles
. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. FAMILY GULLS AND TEItNS. 41 SUB=FAMILY STERNIN/E. Terns. upper mandible, nearly straight, not hooked or decid° cdly rounded near tip; outer tail leathers, usually longer than middle feathers; toes, four; front toes, webbed; hind toe, small, but well Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cory, Charles B. (Charles Barney), 1857-1921; Field Museum of Natural History. Chicago, Special edition printed for the Field Columbian museum
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Keywords: ., bookauthorcory, bookcentury1800, bookdecade1890, booksubjectbirds
