ANNUAL PERIODICITY IN THE MIGRATION AND REPRODUCTION OF BIRDS

[21] MARSHALL AJ, 1957, P ZOOL SOC LOND 4, V127, P489

[22] The Croonian Lecture - Sexual periodicity and the causes which determine it [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 1936, 226 : 423 - 456

[23] REPRODUCTIVE CYCLES IN AN EQUATORIAL SPARROW [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1959, 45 (07) : 1095 - 1100

[24] THE HYPOTHALAMO-HYPOPHYSIAL NEUROSECRETORY SYSTEM OF THE WHITE-CROWNED SPARROW, ZONOTRICHIA-LEUCOPHRYS-GAMBELII [J]. ZEITSCHRIFT FUR ZELLFORSCHUNG UND MIKROSKOPISCHE ANATOMIE, 1959, 51 (01): : 1 - 42

[25] ORIANS GORDON H., 1960, AUK, V77, P379

[26] Scharrer B, 1954, RECENT PROGR HORMONE, V10, P183

[27] Wingstrand KG, 1951, STRUCTURE DEV AVIAN

[28] WOLFSON A, 1959, PHOTOPERIODISM RELAT

[21] MARSHALL AJ, 1957, P ZOOL SOC LOND 4, V127, P489

[22] The Croonian Lecture - Sexual periodicity and the causes which determine it [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 1936, 226 : 423 - 456

[23] REPRODUCTIVE CYCLES IN AN EQUATORIAL SPARROW [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1959, 45 (07) : 1095 - 1100

[24] THE HYPOTHALAMO-HYPOPHYSIAL NEUROSECRETORY SYSTEM OF THE WHITE-CROWNED SPARROW, ZONOTRICHIA-LEUCOPHRYS-GAMBELII [J]. ZEITSCHRIFT FUR ZELLFORSCHUNG UND MIKROSKOPISCHE ANATOMIE, 1959, 51 (01): : 1 - 42

[25] ORIANS GORDON H., 1960, AUK, V77, P379

[26] Scharrer B, 1954, RECENT PROGR HORMONE, V10, P183

[27] Wingstrand KG, 1951, STRUCTURE DEV AVIAN

[28] WOLFSON A, 1959, PHOTOPERIODISM RELAT