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Show 328 PROF. H. H. GIGLIOLI ON A N E W GADOID [June 18, These projections had been taken by an automatic electro-photographic apparatus with a regulated and exactly equal period of time between the phases, which are photographed synchronously from two or more points of view. With this apparatus thirty-six illustrations had been made of a horse while jumping a hurdle ; each of twelve phases illustrating the complete action having been simultaneously photographed from the side, front, and rear. Twenty-four consecutive phases of the wing of a bird while flying had also been photographed, the time-intervals of each successive phase being recorded by an electro-chronograph. The following papers were read :- 1. On a supposed new Genus and Species of Pelagic Gadoid Fishes from the Mediterranean. By H E N R Y H. G I G LIOLI, C.M.Z.S. [Received May 25, 1889.] (Plate XXXIV.) ERETMOPHORUS1, gen. nov. Body moderately elongate, tapering in older specimens towards the tail; covered with small adherent cycloid scales marked with concentric lines, and not extending to the head and abdomen, which are naked. Abdomen prolonged in a great cone, much more developed in the older specimens ; at its extremity, nearly opposite to the small first dorsal fin, is the anal aperture and behind this a small conical papilla. A separate caudal, lanceolate in the younger specimen, snbtruncate in the older one; two dorsals and one anal fin ; the second dorsal and anal largely and equally developed. Pectorals lobate ; ventrals jugular, singularly developed, with five rays, three of which, and more especially the third and fourth, are greatly elongated and furnished at the end with a beautiful lanceolate paddlelike blade. Vertex of head and nape with small hyaline cylindrical warts. Teeth very small, few and inconspicuous, on premaxillae and end of mandible. Branchiostegals seven. No barbel. ERETMOPHORUS KLEINENBERGI, sp. nov. (Plate XXXIV.) I. D. 4. II. D. 73. A. 73. C. 26. P. 22. V. 5. B. iv. Brs. vii. Body compressed, tapering towards the tail, but less so in the vounger specimen, in which the huge and singular abdominal cone is also less developed. The height of the body behind the abdominal cone is contained between 5| and 6 times in the total length exclusive of the caudal fin. The lateral line extends nearly in a straight line from the branchial cleft to the end of the root of the tail; it is merely marked as a furrow with indistinct pits along its course ; in 1 'Eperpbs (remus), oar; (popbs (fercns), carrier. |