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Show 1871.] IN THE BRITISH MUSEUM. 667 length of the head. Caudal fin rounded. Greyish (in spirits), head and body densely covered with deep-black spots about as large as the eye ; an immaculate stripe along the uppermost part of the back and the base of the anal. A series of round black spots alon°* the base of the dorsal and anal fins ; caudal fin nearly without markings. One specimen, 2\ inches long (no. 67), from the Godeffroy M u seum ; it was obtained at Savay (Samoa Islands). PLATYGLOSSUS NOTOPSIS, Blkr. W e have received from the Godeffroy Museum a specimen from Savay of a uniform black colour; however, the two ocelli on the dorsal fin are present, and it has also thirteen soft dorsal rays, so that it must be regarded as merely a variety. HEMICHROMIS SUBOCELLATUS. (Plate LXVII. fig. C.) D. y. A. f. L. lat. 25. L. transv. 2|/10. The height of the body is two sevenths or one third of the total length (without caudal), the length of the head one third. Snout as long as the eye, the maxillary extending to the vertical from the front margin of the orbit. Three series of scales on the cheek. Front teeth of the upper jaw not enlarged. The spinous dorsal fin is rather low, the longest spine being not much more than one third of the length of the head. The soft dorsal and anal sometimes produced into a filament. Brown, operculum with an indistinct blackish spot. The following ocellated spots may be present or absent:- one on the middle of the anterior soft dorsal rays, and one or two on the upper caudal rays. The remainder of the caudal and the anal blackish, with yellowish specks. Gaboon. Three specimens, 2\ inches long, are in the possession of the author, and will be deposited in the British Museum. BLENNODESMUS, g. n. LYCODID. Body elongate, compressed, band-like, rudimentary scales being imbedded in the mucous integuments of the body. Lateral line rather indistinct. Eye of moderate size. Head compressed, with the snout pointed and the lower jaw prominent. Small conical teeth in both jaws; palate smooth. Barbels none. Gill-openings and vertical fins as in the other genera of this family. Ventral fins reduced to two small and short filaments, jugular. No prominent anal papilla. BLENNODESMUS SCAPULARIS. (Plate LXVII. fig. A.) D.+ C. + A. 50 + 9 + 40. V. 1. The height of the body is one twelfth of the total length (without caudal), the length of the head one seventh. Interorbital space convex, much narrower than the eye, the diameter of which is one fifth of the length of the head; snout pointed, compressed, rather longer than the eye. The maxillary extends beyond the front mar- |