Biblioteca Digital

963 resultados para Participant observations

Additional observations on the nerve-elements of the embryonic lobster

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Observations nouvelles sur les trachelifer, larves luciferiformes de Jaxea nocturna.

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Observations on the Fal estuary oyster beds during 1926, including a study in over-fishing

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Observations and experiments on sex-change in the European oyster (O.edulis) Part I. The change from female to male

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The vertical distribution of marine macroplankton. VI. Further observations on diurnal changes

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The vertical distribution of marine macroplankton. VII. Observations on the behaviour of Calanus finmarchicus

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The vertical distribution of marine macroplankton. VIII. Further observations on the diurnal behaviour of the pelagic young of teleostean fishes in the Plymouth area

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Observations on Patella vulgata. Part I. Sex-phenomena, breeding and shell growth

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Observations of Patella vulgata. Part II. Rate of growth of shell

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Herring investigations at Plymouth. VII. On the artificial fertilisation and hatching of herring eggs under known conditions of salinity, with some observations on the specific gravity of the larvae

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Observations on Patella vulgata, Part III. Habitat and habits

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On the effect of the severe winter of 1928-1929 on the oyster drills (with a record of five years' observations on sea-temperature on the oyster-beds) of the Blackwater Estuary

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Observations and experiments on sex-change in the European oyster (O. edulis). Part II. On the gonad of egg-spawning individuals

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Some observations on schooling in fish

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Studies on Ligia oceanica. I. A. Habitat and effect of change of environment on respiration. B. Observations on moulting and breeding

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