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Show 1887.] MR. G. A. B O U L E N G E R O N FISHES F R O M M U S C A T . 653 thorax do not appear at all punctured, even under the microscope ; the eyes are moderate in size and in their granulation. The thorax is quite twice as wide as long, the margin thick and reflexed, the outer edge of the basal suture forms a ridge, so that the space between this and the margin appears hollowed out. The basal margin is sinuate, with a broad median lobe, and with a fine marginal line. The elytra are uniformly punctured, their margin somewhat expanded, with a row of larger punctures, or small foveae, evanescent towards the apex. The clothing is formed of rather sparse, ragged hairs, without any pubescence between them. The tarsi are simple, long and thin. The humeral callus rather strongly raised. Two specimens, both taken in mouutain-districts at over two thousand feet elevation. EXPL_1NATION OF PLATE LIII. Fig. 1. Stenotarsus chrysomelinus, p. 644. 2. Mycetina laticollis, p. 644. 3. Phceomychus rufipennis, p. 649. 4. Bolbomorphus gibbosus, p. 647. 5. Cyanauges gorhami, p. 650. 6. plagiatus, p. 650. 7. nigropiceus, p. 651. 8. quadra, p. 651. 9. Stenotarsus internexus, p. 615. 10. Panamomus decoratus, p. 648. 3. An Account of the Fishes obtained by Surgeon-Major A. S.G. Jayakar at Muscat, East Coast of Arabia. By G. A. BOULENGER. [Eeceived December 6, 1887.] (Plate LIV.) The Natural History Museum has received a large and most valuable collection of Fishes, obtained at Muscat and presented by Mr. Jayakar, which I have been directed by Dr. Gunther to examine. This collection, containing specimens of 172 species, many of which were unrepresented in the National Collection and 14 of which are apparently new to science, fills a gap in our knowledge of the distribution of the fishes of the Indian Ocean. Scarcely anything is known cf the fauna of the Persian Gulf and the neighbouring coasts, a district intermediate between two others the fishes of which have been tolerably well investigated, viz. the North-eastern coast of Africa and the West coast of India. It therefore seems to m e that, in addition to the description of the new species, the publication of a full list of the fishes obtained will be useful. With the exception of three (the names of which are preceded by an asterisk) all the species enumerated are marine. PROC ZOOL. Soc-1887, No. XLIIL 43 |