OCR Text |
Show 1867.] MR. A. ADAMS ON NEW JAPAN SHELLS. 311 1. OSCILLA LIRATA, A. Ad. Odostomia (Evalea) lirata, A. Ad. Annals, 1860. Hab. Sado ; O-Sima ; Seto-Uchi; Tsu-Sima. 2. OSCILLA SULCATA, A. Ad. Odostomia (Evalea) sulcata, A. Ad. Annals, 1860. Hab. Tsu-Sima; Mososeki. 3. OSCILLA CINGULATA, A. Ad. Monoptygma cingulata, A. Ad. Annals, 1861. Hab. Takano-Sima. 4. OSCILLA ANNULATA, A. Ad. Obeliscus annulatus, A. Ad.; Sow. Thes. Mon. Obeliscus, pl. 171. f. 26. Hab. Mososeki; Yobuko. 5. OSCILLA CIRCINATA, A. Ad. O. testa elongato-ovata, rimata, tenuiuscula, alba, semiopaca; anfractibus normalibus 5, planis, cingulis transversis angustis elevatis regularibus ornatis, interstitiis longitudinaliter concinne striatis; apertura oblonga; plica parietali valida, acuta, mediana, transversa; labro margine crenulato, intus sulcato. Hab. O-Sima ; Takano-Sima. A very pretty semipellucid species, delicate in texture and neatly sculptured. Genus AMAURELLA, A. Ad. Testa parva, ovata, imperforata, alba, nitida, apice submamillato; apertura acuminato-ovata ; labio arcuato, simplici, subincras-sato. This little group of Japanese Mollusca will include a remarkable shell I described as Macrocheilus japonicus, but which appears to have greater affinities with Amaura. I now add diagnoses to two other shells, which seem to belong to the same type of form. 1. AMAURELLA GLABRATA, A. Ad. A. testa ovata, imperforata, solidiuscula, alba, semiopaca, leevi,% nitida ; anfractibus 3, planiusculis, ultimo elongato, amplo ,- apertura oblonga, antice producta, subacuminata ; labio simplici, arcuato, subincrassato. Hab. Takano-Sima. 2. AMAURELLA SEMISTRIATA, A. Ad. A. testa ovata, imperforata, solidula, semiopaca, alba, nitida, |