Mollusca für 1901—1904. 119 



— (2). La Classification des Lamellibranches d'apres les 

 branchies. - In: Ann. Soc. mal. Belgique, vol. 38, Bull. p. LVIII 

 -LX. 



Petch, T. The Marine Fauna and the Humber District and the 

 Holderness Coast. — In: Trans. Hüll Club, vol. 3, p. 27-41. 



Pilsbry, H. A. Zenites arborens (Say) in Japan. — In: Nau- 

 tilus, vol. XVL p. 119. 



— (2). Helicina japonica and related forms. Ibid. p. 130, 131. 



— (3). lUustrations of some Japanese land shells. Ibid. 

 p. 136. 



— (4). A new Pleurotomaria. — Ibid. vol. XVII, p. 36. 



— (5). Land Shells of Curacao. — Ibid. p. 48. 



— (6). A new Jamaican Colobostylus. Ibid. p. 65. 



— (7). New Japanese Marine Mollusca. Ibid. p. 69 — 71. 



— (8). The greatest American Planorbis. Ibid. p. 75. 



— (9). A new Guppya from Florida. Ibid. p. 77. 



— (10). Shells of Douglas Co., Central Washington. Ibid. 

 p. 84. 



— (11). Mollusca of Western Arkansas and adjacent States, 

 with a Revision of Paravitrea. — In: Pr. Ac. Philadelphia, p. 193 — 

 214, pl. IX-XI. 



— (12). Additions to the Japanese Land Snail Fauna. 

 No. VIII. Ibid. p. 315—319, pl. XIV. 



— (13). A new Japanese Pleurotomaria. Ibid. p. 496, 

 pl. XXII. 



— (14). A new American Genus of Arionidae. Ibid. p. 626 

 — 628, pl. XXVIII. 



— (15). Mexican land- and freshwater Molluska. Ibid. p. 761 

 —789, pl. XLVII— LIV. 



— (16). A new Hawaian Limnaea. Ibid. p. 790, with fig. 



— (17). Tryons Manual of Conchology, ser. 2, vols. XV (Pts. 

 59 & 60) and XVI, pts. 61—63. 



Pilsbry, H. A. & Y. Hirase. New Land Shells of the 

 Japanese Empire. — In: Nautilus, vol. XVI, p. 114 — 117, 128 

 —130. 



— (2). Descriptions of new Japanese Land-shells. Ibid. 

 p. 128—130. 



— (3). Descriptions of new Japanese Land-shells. Ibid. 

 vol. XVII, p. 31, 32. 



— (4). Notices of new Japanese Land-shells. Ibid. 44 — 46. 



— (5). Notices of new Land-shells of the Japanese Empire. 

 Ibid. p. 52—55. 



— (6). New Land-snails of the Japanese Empire. Ibid. 

 p. 78, 79. 



Preston, H. P. Descriptions of two supposed new species of 

 Cyathopoma. — In: Pr. mal. Soc. London, vol. 5, p. 340, with figs. 



— (2). Supposed new species of Helicina and Bulimulus from 

 Costa Rica. — In: J. Malac, vol. 10, p. 4, with figs. 



