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Marine Biology

    Naturevolume 100page375 (1918) | Download Citation



    THE twenty-fourth report (1916) of the Danish Biological Station contains two papers of much interest to marine biologists. Dr. C. G. J. Petersen gives a useful account of the development of the external characters in o three of the common species of Gobius. The great difficulty there is in discriminating between the young stages of these fishes is well known to those who have handled general collections made in European waters, and Dr. Petersen's careful descriptions will be much appreciated. The second paper in the report is by Dr. H. Blegvad, on the food of fishes in Danish waters within the Skaw. The new feature in this work is that, in addition to an account of the kind of food upon which each species was found to be feeding, the weight of each kind of food found in the fish and the weight of the fish itself were recorded. In this way a more accurate idea of the relative importance of the different kinds of food can be obtained. In the Marine Biological Report, No. iii., 1916, for the province of the Cape of Good Hope, Dr. J. D. F. Gilchrist, in the first paper, describes the eggs and larvae of a number of Cape fishes. Unfortunately the figures which accompany this paper appear to have lost a great deal in the reproduction, and many of them can scarcely be considered adequate for recognising these very delicate forms, the identification of which often depends on a correct representation of their minute details. The remainder of the report contains an account of some observations on marine invertebrates, made on animals living in the tanks of the Marine Station at St. James, the description of four new South African fishes, which are well figured, and a continuation of Mr. W. Wardlaw Thompson's “Catalogue of Fishes of the Cape Province,” with a very full bibliography of each species.

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