die Systematik und die Biologie etc. der Mollusken im Jahre 1894. 317 
bergen, gesammelt von Prof. W. Kükenthal im Jahre 1886. In: 
Zool. Jahrb. Syst. v. 8 p. 91—98. 
Pfeiffer, C., kleine Reiseergebnisse. In: Nachrbl. D. malak. 
Ges., v. 26 p. 68—71. 
Picaglia, L., Aggiunte al Catalogo dei Molluschi terrestri e 
fluviatili vivente nelle provincie di Modena e Reggio. In: Bull. Soc. 
mal. ital. v. 18 p. 115—117. 
— Contributo alla fauna malacologica dell’ Appennino Emiliano. 
Molluschi viventi nel Territorio del Frignano. In: Atti Soc. Modena 
v. 12 p. 174—187. 
— Molluschi dei diutorni di Ginevra. Ibid. p. 188—192. 
Piequenard, C., l’Helix quimperiana (Ferrussac) est il indi- 
gene dans le Finistere? In: Bull. Soc. Ouest France, v. 3 (1893) 
271. 
ii Pilsbry, H. A., Critical List of Mollusks collected in the Poto- 
mac Valley. In: P. "Ac. Philadelphia, p. 11—31. 
— Patella kermandecensis. Ibid. p. 208, with pl. 
— on new species of Patella. In Nautilus, v. 7 p. 109. 
— Descriptive Notes on certain forms of Polygyra. Ibid. v. 7 
139. 
B> — Notices of new Japanese Mollusks. Ibid. v.7 p. 143, v.8 
p- 9, 16, 29 u. 47. 
_ Perostylus, anew genus of Fusoid Gastropod. Ibid. v.8 p. 17. 
— Perostylus the embryo of Megalatractus. Ibid. v. 8 p. 67. 
— Note on Liparus. Ibid. v. 8 p. 35. 
— on the Orthalicus of Florida. Ibid. v. 8 p. 37. 
— the American Species of Carychium. Ibid. v. 8 p. 61, with pl. 
— new forms of Western Helices. Ibid. v.8 p.81. 
— vide Tryon. 
Ponsonby, J.H., on a new species of Helix from the Khasi 
Hills. In: P. malac. Soc. London, v. 1 p. 56, fig. 
— vide Melvill. 
Ponsonby, J.H. & E. R. Sykes, two new Landshells from 
Tenerife. In: P. malac. Soc. London, v. 1 p. 55, fig. 
Prime, H,, Catalogue of the Landshells of Long Island, N. Y. 
In Nautilus, v.8 P-419: 
Quadras, J. F.& Moellendorff, O.F. von, Diagnoses spe- 
cierum novarum, a J. F. Quadras in insulis Mariannis collectarum. 
* In: Nachrbl. D. malak. Ges. v. 26 p- 13—22, 33—42. 
— Diagnoses specierum novarum ex insulis Philippinis. Ibid. 
v. 26 p. 81—104, 115—130. 
Raymond, w. J., the Californian species of the genus Nuttal- 
lina. In Nautilus, v7 p. 133. 
Rochebrune, A. T. de, vide Perrier. 
Roebuck, w. D., Additions to the authenticated comital census 
of the Land and Freshwater Mollusca of Scotland. In: Ann. Scott. 
Nat. Hist. 1894 p. 154—158. 
