Biblioteca Digital

35 resultados para Heterosis breeding

On the breeding habits of Echinus miliaris, with a note on the feeding habits of Patella vulgata

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Sea-temperature, breeding and distribution in marine animals.

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On the rearing and breeding of Gammarus in laboratory conditions

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

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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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On the biology of Sagitta. The breeding and growth of Sagitta elegans Verrill in the Plymouth area, 1930-31

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On the biology of Sagitta. II. The breeding and growth of Sagitta setosa J. Muller in the Plymouth area, 1930-31, with a comparison with that of S.elegans Verrill

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An experiment of breeding wild pairs of Gammarus chevreuxi at a high temperature, with an account of two new recessive types of red eye

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On the biology of Sagitta. III. A further observation on the growth and breeding of Sagitta setosa in the Plymouth area

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The breeding of Littorina neritoides

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Notes on the breeding of some lamellibranchs from Plymouth and their larvae

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The breeding of oysters in tanks

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The occurrence and breeding of Sagitta elegans Verrill and Sagitta setosa J.Muller in parts of the Irish Sea

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The breeding of Crepidula fornicata (L.) I the River Blackwater, Essex

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A note on the breeding season, sex ratio and embryonic development of the dogfish Scyliorhinus canicula (L.)

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