Abstract
THE increasing importance of rays and skates as marketable food-fishes emphasises the need for a greater knowledge of their life-histories than is at present available. Dr. Clark's revision of the European species is therefore a most welcome monograph. In this work, which represents several years of patient labour in a trying task, twenty-three species are separately described and finely illustrated by beautiful photographs, and in each case a full discussion on the troublesome matter of nomenclature is given. It would have been rather more convenient for the reader if the successive sections of the text had been more clearly indicated by the use of appropriate type; in its present form the text is a little confusing. This monograph, used in conjunction with Dr. Clark's earlier account of the egg-capsules and young (Jour. Mar. Biol. Assoc., vol. 12, No. 4, 1922), should prove of the greatest assistance to workers for the identification of their material.
Fishery Board for Scotland. Scientific Investigations, 1926, No. 1: Rays and Skates; a Revision of the European Species.
Dr.
Robert S.
Clark
By. Text. Pp. 66 + 15 plates. 9s. net. Plates. Pp. iii + 36 plates. 5s. net. (Edinburgh and London: H.M. Stationery Office, 1926.)
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Fishery Board for Scotland Scientific Investigations, 1926, No 1: Rays and Skates; a Revision of the European Species. Nature 118, 800 (1926). https://doi.org/10.1038/118800c0
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DOI: https://doi.org/10.1038/118800c0