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Show US ME. E. A. SMITH ON LAND-SHELLS FBOM [Feb. 5, conica, apice glabrato, acutulo. Anfractus 6, perconvexi, sutura valde profunda disjuncti, ultimus medio valde inflatus, gibber, 4-5 mm. pone aperturam prof uncle constrictus, turn paullum ascendens, ad aperturam campanulatus, vix descendens. Apertura sat obliqua, subcircularis, peristoma, duplex, externum late expansum, haud refiexum, ad insertionem paullum clilatatum, internum subporrectum. " Diam. maj. 7, alt. 6'75 mm. " Hab. prope Gomanton insula? Borneo. "This form was sent to m e as A. hosei, G.-A., var., but it is decidedly different from that species, which has a more elevated spire, the last whorl much less tumid, the outer peristome much broader and almost auriculated at the insertion, the columella deeply sinuate, paler colour, etc. In fact the nearest relation of the new species is none of the Bornean Alyccei, but A. jagori, v. Mart., of Java. It differs from tbe latter by greater size, half to one whorl more, the deeper constriction, the last whorl hardly deflected and therefore the less oblique aperture." (Moellendorff.) 54. OPISTHOSTOMA OTOSTOMA, Boettger.1 (Plate IV. fig. 19.) Hab. Busau (Everett) ; Brunei (Boettger). 55. OPISTHOSTOMA COOKEI, Smith. (Plate IV. fig. 20.) Hab. Sarawak. 56. OPISTHOSTOMA DEPAUPEEATUM, Smith. (Plate IV. fig. 21.) Hab. Barit Mountain. 57. OPISTHOSTOMA AUSTENI, Smith. (Plate IV. fig. 22.) Hab. Rumbang, Sarawak. 58. OPISTHOSTOMA PUMILIO, Smith. (Plate IV. fig. 23.) Hab. Rumbang. 59. CYCLOPHOEUS KINA-BALUENSIS. (Plate IV. fig. 1.) Testa aperte umbilieata, suborbicularis vel depresse conica, in medio carinata, rufa, lineis angustis pallidis sutura radiantibus picta, epidermide tenui olivacea induta ; anfractus 4|, convexiusculi, celeriter crescentes, lineis incrementi tenuibus striisque spiralibus conspicuis sculpti, ultimus ad peripheriam primo acute carinatus (carina versus aperturam minus acuta), infra convexiusculus, lineis concentricis paucis nigro-rufis pictus-apertura obliqua, sordide albida ; peristoma incrassatum pallidum vel rufum, margine superiore vix expanso, columellari. leviter reflexo. Diam maj. 45, min. 33, alt. 27 millim.; apertura intus 16 alta 19 lata. Hab. Kina Balu, N . Borneo. * ' ^J6^? £ ?hil„Vci? and desc"PtJons of the four following see Ann. & Mag. Nat Hist. 1894, vol. xiv. pp. 271-^73. ""owing, see |