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Show 1894.] ON VARIATION IN THE ANTLERS OF THE FALLOW DEER. 485 species, which in his paper on Cercopithecus he had placed in appendix as unknown to him, was the same as C. erxlebeni of Pucheran (op. cit. p. 254). Therefore, if the strict law of priority were followed, Fraser's name would be adopted for this species; but, as it was doubtful whether Fraser's name (Cat. Knowsley Coll. p. 8), though in print, had ever been published, Mr. Sclater did not propose to use it. Mr. H. Scherren, F.Z.S., exhibited the nest of an Amphipodous Crustacean (Amphithoe littorina), and made the following remarks : " The Amphipods in the bottle are probably Amphithoe littorina of Spence Bate. They were taken at Jersey on May 14th, and have lived ever since in the bottle in which they are now exhibited. The nests and runs are at the bottom of the bottle. I have had the opportunity, which Mr. Spence Bate did not enjoy, of watching the nests made. The Amphipod gathered sand-grains and vegetable debris with its antennae, till the material was within reach of its gnathopods. The material was then applied to the mouth, probably in order to cover it with some adhesive secretive, and then pressed down by the feet to the structure, the creature lying on its side the while. There are tubes in the floating weed constructed probably by this species. An individual now in the possession of Mr. Pocock, of the British Museum (Natural History), made such a tube in the course of one night." Prof. Bay Lankester, F.B.S., read a paper on the external characters which distinguish the two Dipnoid fishes Lepidosiren and Protopterus, and pointed out that there could be no doubt that these two forms should be referred to distinct genera. This memoir will be printed in the Society's ' Transactions.' The following papers were read:- 1. Notes on some Specimens of Antlers of the Fallow Deer, showing Continuous Variation, and the Effects of Total or Partial Castration. By G. H E R B E R T F O W L E R , B.A., Ph.D., Assistant-Professor of Zoology, University College, London. [Received May 18, 1894.] (Plate XXXIV.) By the kindness of my friend Mr. J. A. Wallace of Loch Byan, N.B., I am enabled to exhibit to the Society an interesting pair of antlers of the Fallow Deer, put up by a 'rig,' or buck castrated on one side. I have not been able to trace any description of PROC. ZOOL. Soc-1894, No. XXXII. 32 |