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Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 270 RAY GAMBELL table 14. Specific foetal growth velocity constant (a) for sperm whales in various parts of the world Area Source and type of data No. and extent of data used Durban 0-99 + 0-01 Prese [...]
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'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 272 RAY GAMBELL Japanese coast as new born, but Ohsumi, Kasuya & Nishiwaki (1963, plate 1) figure the tooth of a 5-0 m stranded calf which Ohsumi (1965, p. 12) considered to be at least four months o [...]
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'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 318 RAY GAMBELL table 24. Ovulation frequency in the sperm whale reproductive cycle Oestrous period Prop, of pop. not pregnant (A) Post-partum Mid-lact. End-of-lact. Main 1-ooo 0-992 0-919 0-717 Tota [...]
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'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 326 RAY GAMBELL ■ I If* m ■ Bit! ... I8*i® !* ......lis m mm pulp cavities and only one is covered by a cement layer, much larger proportions of 38 per cent and 20 per cent respectively of the te [...]
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'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 356 RAY GAMBELL Jonsgard, A. 1960. On the Stocks of Sperm Whales (Physeter catodon) in the Antarctic. Norsk Hvalfangsttid. 49 (7), 289-99. Kakuwa, Z., Kawakami, T. & Iguchi, K. 1953. Biological Inves [...]
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'Discovery' reports
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'Discovery' reports (35)
Full text:[...] 350 RAY GAMBELL body length with age is much reduced (text-fig. 72), the natural mortality rate is {greater than the growth in weight of the survivors. The optimum catch in weight is therefore obtain [...]
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'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 354 RAY GAMBELL Bannister, J. L. 1969. The biology and status of the sperm whale off Western Australia-an extended summary of results of recent work. Rep. int. Commn Whal. 19, 70-6. Bannister, J. L. [...]
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'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 352 RAY GAMBELL The paired ovary weights of resting sperm whales increase until eight corpora albicantia have accumulated, and then remain constant. The mean diameter of the largest Graafian follicle [...]
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'Discovery' reports
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'Discovery' reports (31)
Full text:[...] REFERENCES 119 Le Gros Clark, W. E., 1945. Defortnation patterns in the cerebral cortex: In Essays on Growth and Form, presented to D'Arcy Wentworth Thompson. Edited by W. E. Le Gros Clark and P. B. [...]
Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (31)
Full text:[...] REFERENCES 293 Holler, E., 1935. Klimatographische Witterungschilderung Siidwestafrikanischens Gebiet des Atlantischen. Ann. Hydrogr. Berl. J. lxiii, pp. 320-1. Hustedt, F., 1927-37. Die Kieselalgen. [...]
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