Mollusca für 1896—1900. 175 



Petch, T. Notes on the distribution of land- and freshwater 

 Mollusca in Holderness. — In: Transact. Hüll Club vol. 1 p. 98 



— 104. 



Pfeffer, G. Synopsis der oegopsiden Cephalopoden, — In: 

 Jahrb. Hamburger Anstalt vol. 17, Beiheft II p. 145-198. 



Pfeiffer, W. Die Gattung Triboniophorus. — In: Zool. Jahrb. 

 Anat. vol. 13 p. 293—358, mit 4 Tafeln. 



Pilsbry, H. A. (1). The air breathing Mollusks of the Ber- 

 mudas. — In: Transact. Connecticut Acad. vol. 10 p. 491 — 509, pl. 62. 



— (2). Mollusca of the Great Smoky Mountains. — In: Pr. 

 Ac. Philadelphia p. 110- 150, with figs. 



— (3). Notices of new Japanese land snails. — Ibid. p. 381 

 —384. 



— (4). New South American land snails. — Ibid. p. 385 — 394, 

 pl. 11 u. 12. 



— (6). Note on the Australian Pupidae. — Ibid. p. 426 — 430, 

 with figs. 



— (6). Note on Polynesian and East Indian Pupidae. — Ibid. 

 p. 431- 433. 



— (7). Additions to the Japanese land-snail fauna. II. Ibid. 

 p. 443—448 pl. 14; III. p. 672- 683, pl. 24 u. 25. 



— (8). Notes on certain Mollusca of Southwestern Arkansas. 



— Ibid. p. 449 — 459, with figs. 



— (9). Lower Cahfornian species of Coelocentrum and Berendtia. 



— Ibid. p. 550 — 556, with figs. 



— (10). So)wrella, a new genus of Heikes. — Ibid. p. 556 

 —560, pl. 21. 



— (11). On the Zoological position oi Partula and Achatinella. 



— Ibid. p. 561—567, pl. 17. 



— (12). The genesis of Mid-Pacific Faunas. — Ibid. p. 568 

 —581. 



— (13). Metostracon, a new slug-like genus of dart-bearing 

 Helicidae. — In: Pr. mal. Soc. London, vol. 4 p. 24 — 30, pl. 3. 



— (14). Note on Thysanophora Gabb. — In: Nautilus, vol. 13 

 p. 98—100. 



— (15). Some Zonitidae, collected by J. H. Ferris in Arkansas 

 and Choctaw Nation. — Ibid. p. 107. 



— (16). A new American land-shell. — Ibid. p. 107 u. 108. 



— (17). Species of Chlorostoma of Southern and Eastern Pata- 

 gonia. — Ibid. 110—112. 



— (18). New species and subspecies of American Land-snails. 

 Ibid. p. 114 u. 115. 



— (19). Note on the varieties of Epiphragmophora mormonum. 

 Ibid. p. 128. 



— (20). A new Calliostoma from Florida. — Ibid. p. 128 u. 129. 



— (21). Notes on some southern Mexican shells. — Ibid. 

 p. 139—141. 



— (22). A new N. E. Australian Amnicoloid. — Ibid. p. 144. 



