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Published online by Cambridge University Press: 05 December 2011
The accomplishments and writings by M'Intosh (1838–1931) of St Andrews are recounted in some detail. His major contribution in pure zoology was on marine Annelids, notably the (at that time included) Nemertinea. In fisheries biology his work on the effects of beam-trawling on the Scottish sea-fisheries as directed by a Royal Commission led him to a detailed description of the pelagic eggs and larvae of the major British marine food fishes. From this he came to the conclusion that, with some exceptions, the fauna of the open sea appeared to be independent of man's influence, and in this connection he demanded that regulatory measures be based only on scientific fact. Though his major contributions were in descriptive marine zoology, he never lacked the courage of his convictions on matters of theory and practice.