THE BREEDING BIOLOGY OF THE GREY SEAL, HALICHOERUS-GRYPUS (FAB), ON THE FARNE ISLANDS, NORTHUMBERLAND

[1] DELAYED IMPLANTATION IN THE GREY SEAL, HALICHOERUS-GRYPUS (FAB) [J]. NATURE, 1956, 178 (4532) : 550 - 551

[2] BACKHOUSE K. M., 1957, PROC ZOOL SOC LONDON, V128, P593

[3] Bertram G., 1940, BRIT GRAHAM LAND EXP, P1

[4] BOYD J. MORTON, 1957, PROC ZOOL SOC LONDON, V129, P333

[5] BOYD JM, 1962, Z ZOOL SOC LOND, V138, P257

[6] BOYD JM, 1962, Z ZOOL SOC LOND, V138, P385

[7] Carrick R., 1962, CSIRO Wildlife Research, V7, P161

[8] Coulson J. C., 1960, Transactions of the Natural History Society Northumberland NS, V13, P151

[9] Coulson J. C., 1959, Transactions of the Natural History Society Northumberland NS, V13, P86

[10] Coulson J. C., 1963, Transactions of the Natural History Society Northumberland NS, V14, P170

[1] DELAYED IMPLANTATION IN THE GREY SEAL, HALICHOERUS-GRYPUS (FAB) [J]. NATURE, 1956, 178 (4532) : 550 - 551

[2] BACKHOUSE K. M., 1957, PROC ZOOL SOC LONDON, V128, P593

[3] Bertram G., 1940, BRIT GRAHAM LAND EXP, P1

[4] BOYD J. MORTON, 1957, PROC ZOOL SOC LONDON, V129, P333

[5] BOYD JM, 1962, Z ZOOL SOC LOND, V138, P257

[6] BOYD JM, 1962, Z ZOOL SOC LOND, V138, P385

[7] Carrick R., 1962, CSIRO Wildlife Research, V7, P161

[8] Coulson J. C., 1960, Transactions of the Natural History Society Northumberland NS, V13, P151

[9] Coulson J. C., 1959, Transactions of the Natural History Society Northumberland NS, V13, P86

[10] Coulson J. C., 1963, Transactions of the Natural History Society Northumberland NS, V14, P170