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Show 1869.] LIEUT.-COL. PLAYFAIR ON THE FISHES OF ZANZIBAR. 239 13. Exoccetus cyanopterus, C. & V. Brazil. 14. Conger vulgaris, Cuv., var. nigra. Europe, South America, East Ind. archipel., Japan, Tasmania. 15. Congromurcena mellissii, sp. n. 16. Ophichthys regius, Shaw. St. Helena. 17. Myroconger compressus, g. et sp. n. 18. Mureena flavopicta, Kaup. Tropical Atlantic. 19. Mureena sanctee helence, sp. n. 20. Mureena moringa, Cuv. Tropical xltlantic. 21. Mureena unicolor, De la Roche. Mediterr., Madeira. The new Cheetodon may be described as follows:- CHA-ETODON D I C H R O U S . (Plate XVI.) D. g. A. ^. L. lat. 53. Snout rather produced, a little longer than the eye, with the upper profile concave; praeoperculum slightly serrated. Dorsal spines strong, the third and fourth the longest, two-thirds of the length of the head ; the soft portion of the dorsal and anal fins low, rounded. Body bicoloured-the anterior parts to the fourth dorsal spine and the lower half of the fish being uniform brown, the remainder (tail and caudal fins included) pinkish white. The scales of the lateral line silvery. There is only one example of this remarkable species in the collection ; it is 5 inches long. 5. Further Contributions to the Ichthyology of Zanzibar. By Liieut.-Col. R. L. P L A Y F A I R , H.B.M. Consul-General in Algeria. With a Note by Dr. A. G U N T H E R . A large cask of fishes was lately sent to me by Dr. Kirk from Zanzibar ; but, for want of adequate accommodation for examining so extensive a collection, I was compelled, after a single cursory inspection, to close the cask again and send it to the British Museum. I, however, kept a few small specimens; and amongst these I find one new species, and two others which I had not before observed on the east coast of Africa. They are:- ANTENNARIUS NIGROMACULATUS, sp. n. D. 3|12. A. 7. P. 10. It is not without considerable reluctance that I venture to describe a new species oi Antennarius with the limited means of identification at m y disposal in Algeria; but this specimen differs so distinctly from all I have observed at Zanzibar and Seychelles, and from all that I can find recorded, that I am inclined to regard it as an undescribed species. Diagnosis.-Cleft of mouth subvertical and ascending in an oblique line, slightly inclined backwards. Length of maxillary bone one- |
