Abstract
The number of species of Cancellaria from Sikoku, Kyûsyû, Taiwan (Formosa) and Japan proper is not very great. The valid species of the genus, are the following few, namely:-
C. hukusimana NOMURA and HATAI C. kurodai MAKIYAMAC. nodulifera SOWERBYC. reeveana CROSSEC. spengleriana DESIIAYESC. taiwanensis NOMURAC. kobayashii (YOKOYAMA)C. macrospira ADAMS and REEVEC. pristina (YOKOYAMA)C. reeveana laticosta LÖBBECKC. tyosenensis, new speciesC. thbmasiana CROSSE
As the writers have not had the opportunity of study specimens of C. limatula YOKOYAMA, it is here regarded as valid. The species which have been assigned to the genus Cancellaria, but most probably represent some other genus, are the following, few, namely.
