natural, history

"SUCCINEIDAESuccinea simplex PfeifferSuccinea simplex PFEIFFER 1854 [1855], Proc. Zool. Soc. London, p. 123 (SolomonIslands).Specimens examined. Rennell: L 357; L 389, both Lavanggu and L 380,Niupani, Lake Te-Nggano. Also many additional records from other localitiesin the Solomon Islands (c.f. CLENCH 1941).TORNATELLlNIDAETornateIIina microstoma Quadras and MoellendorffTortellina microstoma QUADRAS and MOELLENDORFF 1894, Deutschen Malak. Gesell.26: 16 (Guam).Remarks. Similar to the Pupillidae, members of this family have heretoforeescaped notice by collectors. This species has been recorded by RE;'I.'SCH (1937, p.584)from Karlei, New Britain Island, Bismark archipelago.Specimens examined. Santa Ana. (Whitney Expedition).PUPILLlDAEGastrocopta pediculus ShuttleworthPupa pediculus SHUTTLEWORTH 1852, Mittheilungen der naturforschenden Gesellschaftin Bern, p. 296 (Marquesas and Tahiti).Notes. I believe that heretofore no records were known of any pupillid in theSolomons. Their small size makes them difficult to find.Specimens examined. Bellona. Rennell: L 357, Lavanggu. Santa Ana.SUBULINIDAELamellaxis gracilis HuttonBulimus gracilis HUTTON 1834, Jour. Asiatic Soc. Bengal, 3: 93 (Mirzapur, India).Remarks. An introduced species now widely distributed through most of thetropical world.Specimens examined. Bellona. Guadalcanal: L 340, Honiara. Rennell:L 351, L 352, L 357, L 374, L 390, Lavanggu; L 367, Te-Avamanggu; L 385, Niupani .•ENDODONTlDAECharopa hoeyeri, new species(Plate 16. fig. 6)Description. Shell small. not exceeding 5 mm in greater diameter. depressed andstrongly sculptured with axial costae. Color probably light brown when alive. Whorls173