AGE AND SEX CRITERIA AND WEIGHTS OF CANADA GEESE

[41] Nice MM, 1937, T LINNAEAN SOC NEW Y, V4, P1

[42] Owen R., 1866, ANATOMY VERTEBRATES, VII

[43] Pearson T. G., 1942, BIRDS N CAROLINA

[44] Phillips J. C., 1916, Auk Cambridge Mass, V33

[45] PHILLIPS JC, 1940, AUK, V27, P163

[46] PHILLIPS JC, 1930, AM WATERFOWL

[47] Sollmann T., 1942, MANUAL PHARM

[48] Stresemann E., 1934, SAUROPSIDA AVES

[49] SWARTH HS, 1913, U CALIF PUBL ZOOL, V12, P1

[50] TAVERNER PA, 1931, 1929 CAN NAT MUS ANN, P30

[41] Nice MM, 1937, T LINNAEAN SOC NEW Y, V4, P1

[42] Owen R., 1866, ANATOMY VERTEBRATES, VII

[43] Pearson T. G., 1942, BIRDS N CAROLINA

[44] Phillips J. C., 1916, Auk Cambridge Mass, V33

[45] PHILLIPS JC, 1940, AUK, V27, P163

[46] PHILLIPS JC, 1930, AM WATERFOWL

[47] Sollmann T., 1942, MANUAL PHARM

[48] Stresemann E., 1934, SAUROPSIDA AVES

[49] SWARTH HS, 1913, U CALIF PUBL ZOOL, V12, P1

[50] TAVERNER PA, 1931, 1929 CAN NAT MUS ANN, P30