. The birds of eastern North America : known to occur east of the ninetieth meridian. Birds -- North America. FAMILY LAEI1XE. —GULLS AND TERNS. 35 FAMILY LARID^E. GULLS AND TERNS. SUBFAMILY LARIN^E. GULLS. TAIL, USUALLY NEARLY SQUARE. GROUP 1. Wing, to 11 inches long. See page 36. GKOUP 2. Wing, 11 to 13 inches long. See page 36. GROUP 3. Wing, 13 to 15 inches long. See page 38. GROUP 4. Wing, 15 to 17 inches long. See page 38. Section 1. Length, over 21; bill, over 2; underparts, white. See page 38. Section 2. Length, over 21; bill, over 2; underparts, not white. See page 39. Section 3.
. The birds of eastern North America : known to occur east of the ninetieth meridian. Birds -- North America. FAMILY LAEI1XE. —GULLS AND TERNS. 35 FAMILY LARID^E. GULLS AND TERNS. SUBFAMILY LARIN^E. GULLS. TAIL, USUALLY NEARLY SQUARE. GROUP 1. Wing, to 11 inches long. See page 36. GKOUP 2. Wing, 11 to 13 inches long. See page 36. GROUP 3. Wing, 13 to 15 inches long. See page 38. GROUP 4. Wing, 15 to 17 inches long. See page 38. Section 1. Length, over 21; bill, over 2; underparts, white. See page 38. Section 2. Length, over 21; bill, over 2; underparts, not white. See page 39. Section 3. Length, over 21; bill, under 2; uuderparts, white. See page 39. Section 4. Length, over 21; bill, under 2 ; underparts, not white. See page 40. Section 5. Length, under 21. See page 40. GROUP 5. Wing, over 17 inches long. See page 40. SUBFAMILY TERNS. TAIL, USUALLY 48 GROUP 1. Wing, to inches long. See page 41. GROUP 2. Wing, to inches long. See page 41. GROUP 3. Wing, to inches long. See page 41. GROUP 4. Wing, to 11 inches long. See page 41. GROUP 5. Wing, 11 to 13 inches long. See page 43. GROUP 6. Wing, 13 to 17 inches long. See page 43. GROUP 7. Wing, over 17 inches long. See page 43,. 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. Chicago : Field Columbian Museum
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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
