231 resultados para 060800 ZOOLOGY


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Contributions cover notes on the distribution of Zeugopterus norvegicus, a stage in the metamorphosis of Solea, a larval stage of the mackerel, and on growth of young herring in the Thames Estuary.

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This covers the relation of size to sexual maturity in Pleuronectids, the destruction of immature fish in the North Sea and proposed remedial measures.

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Notes and observations on: Polyprion cerniu, Val. Scomber scomber Linn (the mackerel). Year-old pilchards. Muggiaea atlantica. Hippoglossus vulgaris, Linn. (the halibut). Rhombus maximus, Linn (the turbot).

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The habits of the cuckoo or boar-fish. The breeding of the conger. The spawn of the pilchard. Reproductive organs of the common sole.