THE 



JOURNAL OF MALACOLOGY. 



No. I. April loth, 1902. Vol. IX. 



A CLASSIFIED LIST OF THE HELICOID LAND 

 SHELLS OF ASIA. 



By G. K GUDE, F.Z.S. 



During the last thirty years enormous numbers of land shells have 

 been collected in almost every part of the world, and have been 

 described by malacologists of many countries, in memoirs scattered 

 through innumerable publications. It thus happens that, with 

 some exceptions, it is impossible, without much labour, to form an 

 adequate idea of our present knowledge of the molluscan fauna of 

 any given region. 



Having concentrated much attention during the last fourteen 

 years upon the Helicoid land shells, it has appeared to me to be 

 desirable to catalogue these molluscs, which, fortunately enjoy great 

 popularity among the bulk of collectors. 



In the present series of articles it is proposed to attempt to draw 

 up systematic lists of all the known Helicoids of Asia. For the sake 

 of convenience the arrangement proposed will coincide with political 

 divisions, except in the case of islands and archipelagoes. From 

 present consideration, however, the following divisions will be 

 excluded: i. — The Philippine Islands, which have recently been 

 treated of by Dr. O. F. von MoUendorff (Abh. Naturf. Gesell. Gorlitz, 

 1898, xxii., p. 26); 2. — the Japanese Empire, the Helicoids of which 

 have been enumerated by myself (Proc. Malac. Soc. Lond., 1900, iv. 

 p. 8., ib., p. 70, ib., 1901, p. 191); and 3. — India with Burma and 

 Ceylon, which will be included by Dr. W. T. Blanford in the 

 forthcoming volume of the "Fauna of India." 



I. THE CHINESE EMPIRE. 



Our knowledge of the vast majority of Chinese land shells is derived 

 from the labours of missionaries. Foremost must be counted the 

 important work on the Terrestrial Mollusca of the valley of the Blue 

 River by Father Heude, S.J., which forms part of the monumental 



JouRN. OF Mai.ac, 1902, vol. ix, No. 1. 



