Publikationen. 43 
— (2). The Mollusca of Manderville, Jamaica and its environs. 
In: Proc. Acad. Nat. Sci. Philad., vol. 62, p. 510-535. (1910). 
Pilsbry, H. A. und Ferris, James H. Mollusca of the Southwestern 
States V: The Grand Canyon and Northern Arizona. In: Proc. Acad. 
Nat. Sci. Philad., vol. 63, p. 174—199. 
Pilsbry, H. A. und Vanatta, E. 6. Polygyra monodon cava n. sub- 
spec. In: The Nautilus, vol. 25, p. 12. 
Pinter, Th. Wie aus Würmern Perlen werden. In: Schriften 
Vereins Verbr. naturw. Kenntn. Wien, Bd. 5l, p. 23—47. 
Poche, Franz. Die Klassen und höheren Gruppen des Tierreichs. 
In: Archiv f. Naturg., 77. Jahrg., 1911; 1. Bd. 1. Supplementheft, 
. 63—136. 
r Pocock, R. J. On the Palatability of some British Insects, with 
Notes on the Significance of Mimetie Resemblances. In: Proc. Zool. 
Soc. 1911, p. 809—868. 
Pollonera, €. New Species of Urocychidae from British East Afrika. 
In: Ann. Mag. N.H. (8) vol. 8, p. 331. Taf. 8. 
Preston, H. B. (1). Note on a new Armorican locality for Elona 
quimperiana Fer. In: Proc. malac. Soc. London, vol. 9, p. 227. 
— (2). Descriptions of new Melanüidae from Goram and Kei Is- 
lands, Malay. Archipel. In: Proc. malac. Soc. London, vol. 9, p. 228, 
mit 3 Fig. 
— (3). Description of a new Species of Pachychilus from Cuba. 
In: Proc. malac. Soc. London, vol. 9, p. 229—230, mit 1 Fig. 
(4). Descriptions of Thirty-six new Species of Land- and 
Freshwater Shells from British East Afrika, chiefly from Mount Kenia 
and the neighbouring Distriet. In: Ann. Nat. Hist. (8), vol. 7, p. 
463—476. Taf. 11—12. 
— (5). Diagnoses of three new operculate land shells from Grand 
Cayman Island. In: Proc. malac. Soc. London, vol. 9, p. 359—360. 
— (6). Descriptions of nine new Species of terrestrial Mollusca 
from Naivasha, Brit. East Africa. In: Revue Zool. Africaine, vol. 1, 
p. 218—221, Taf. 11. 
— (7). Mollusca, from the Zoological Record for 1910. 
— (8). Descriptions of six new species of shells from Bengal and 
Madras. In: Rec. Indian Mus. Calcutta, vol. 6, p. 39—42. 
Ramsden, Charles T. Note on Pachycheilus violaceus Preston. 
In: The Nautilus, vol. 25, p. 88. 
Raymond, Percy E. A preliminary list ofthe fauna ofthe Alleghenny 
and Conemaugh Series in Western Pennsylvania. In: Ann. Carnegie 
Mus. 7, p. 144—158, 5 Taf. (1910). 
Redeke, H. €. (1). Über das Wachstum der Zuider - See - Mies- 
muscheln. In: Versl. Staat Ned. Zeevissch. over 1910. Extra Bijlage 
1911, p. 89—100. 
— (2). Noch einmal über das Wachstum der Miesmuscheln. In: 
Med. Vissch. Helder, vol. 18, p. 224—230. 
Roi, 0. le (1). Zur Molluskenfauna der Rheinprovinz. In: Nachrbl. 
d. malak. Ges., Jahrg. 43, p. 1—10. 
11. Heft 
