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Show iOO ME. E. A. SMITH ON LAND-SHELLS EBOM [Feb. 5j It will be seen from these tables that eight of the twenty-one species also occur in Palawan to the north, whereas only five extend into Borneo, and two of the five are likewise found in Palawan. The relationship of the fauna may, on the whole, be considered to preponderate in favour of that of the Philippines rather than of that of Borneo. The genera Diplommatina and Pupina are now quoted for the first time from Balabac. Both occur in Borneo and Palawan. BANGUEY. ISLAND. Cochlostyla satyrus, Broderip, and Hemiplecta obliquata, Peeve, are, I believe, the only species yet recorded from this little island, situated between Borneo and the island of Balabac. Examples of the following eight species were collected by Mr. Everett:- 1. Everetiia bangueyensis, Smith. Peculiar. 2. „ subconsul, Smith. Also N. Borneo and Mengalun I. 3. Trochonanina alexis, Smith. Peculiar. 4. Helix (Chloritis) tomentosa, var., Pfr. Also Borneo and Karamon I. 5. Lagochilus bangueyensis, Smith. Peculiar. 6. Diplommatina baritensis, Smith. Also Borneo. 7. Georissa bangueyensis, Smith. Peculiar. 8. Helicina usukanensis, G.-Aust. Mengalun, Usukan, Man-tangak, Palawan, Sibutu, and Bilaton Is. Enumeration and Description of the Species. 1. XESTA THEMIS. (Plate II. figs. 1, 2.) Testa anguste perforata, depresse conoidea, suborbicularis, subpellucida, supra haud nitida, inferne nitens, ad peripheriam angulata, lineis incrementi arcuatis sculpti; spira brevis, apicem obtusa; anfractus 5-6, leviter convexi, ultimus infra angulum tenuissime spiraliter striatus; apertura obliqua, angulato-lunata; peristoma tenue, margine columellari ad insertionem paulo incrassato, brevissime expanso et reflexo. Diam. maj. 19 millim., min. 17, alt. 11. Hab. Upper Padas, British North Borneo. A narrowly perforated species, of a rich brown colour, a trifle paler around the perforation, with a dull upper surface, and very glossy below. It may possibly attain larger dimensions than those given above. 2. XESTA PADASENSIS. (Plate II. fig. 3.) Testa angustissime perforata, subglobose conica, tenuissima, pellucida, pedlide virenti-comea, polita ; spira breviter ad apicem obtusa; anfractus 5, convexiusculi, infra suturam anguste et concave maryinati, ultimus subglobosus, in medio |