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Show 1879.] THE COREAN A N D JAPANESE SEAS. 19 careful manner in which the exact particulars regarding the depth, and, in some cases, the temperature of the water have been recorded by Capt. St. John gives additional scientific value to the present collection ; and although it is to be regretted that the labels belonging to a few of the bottles had unfortunately been washed off and lost before the collection was received by the Trustees, yet Capt. St. John assures me that all these specimens were collected in or near the Corean Straits. The only species not obtained in these seas or in the Japanese region is the remarkable Crab Gonatonotus pentagonus of Adams and White, which was dredged in the Javan sea, near Billiton Island, at a depth of 12 fathoms. In the present communication 64 species or well-marked varieties belonging to the Podophthalmia are noticed ; and of these 26 are apparently new to science, besides which there are several which for different reasons I have refrained from designating by a specific name. The names and the families to which they appertain are given in the systematic list which follows, where also I have noted the localities and the geographical range, when known. In a second paper 1 hope to describe the remainder of the species collected, which belong chiefly to the orders Amphipoda and Iso-poda, and to the Cirripedia and Pycnogonida, and are not less interesting than the Podophthalmia. List of Species described in the present paper. PODOPHTHALMIA. D E C A P O D A. BRACHYURA. OXYRHYNCHA V. MAIOIDEA. MAIID^E. Pugettia quadridens (DeHaan). Corean Channel, Japan, Hong Kong : p. 23. P. incisa (De Haan). Corean Channel, Japan : p. 23. Oregonia hirta, Dana. Japan, California: p. 24. Pleistacantha sancti johannis, gen. and sp. n. Japanese seas (North Pacific coast) : p. 24. Achceus spinosus, n. Corean Channel: p. 25. A. tuberculatus, n. Corean Channel: p. 25. Hyastenus diacanthus (De Haan). Japan, Corean Channel, Australian and Indo-Malayan seas : p. 26. H. (Chorilia) japonicus, n. Japanese seas: p. 27. Doclea orientalis, n. Kunasiri Isl.?, Yeso Island : p. 28. PARTHENOPID^E. Gonatonotus pentagonus, Ad. & White. Javan Sea, Borneo, North-east Australia: p. 29. Lambrus intermedins, n. Corean Channel: p. 29. 2* |