REVISION OF THE SPECIES GROUP NAPAEUS-VARIATUS (GASTROPODA, PULMONATA, BULIMINIDAE) FROM THE CANARY-ISLANDS, WITH DESCRIPTION OF 5 NEW SPECIES

The Napaeus variatus (Webb & Berthelot, 1833) species group from the C anary Islands is reviewed from literature information, types, other mu seum specimens, and newly collected material. Anatomy data is newly pr ovided for six species. Five new species are described: N. elegans and N. esbeltus from Tenerife, N. orientalis and N. beguirae from La Gome ra, and N. exilis from Gran Canaria. Eight species lack a diverticulum and are referred to the subgenus Napaeus (Napaeus) Albers. 1850, wher eas five species are provided with a diverticulum and are referred to Napaeus (Napaeinus) Hesse, 1933. Four species cannot be assigned to a subgenus due to a lack of information. Keys of species from the differ ent islands are provided.