PALEONTOLOGY. 571 
Pengelley, W.—New Bone-Cave at Brixham. Bep. Brit. Ass. for 
1861, p. 123. 
Pickering, J.—On Bitharella Miclcmani. Geol. Assoc. Proc. i. 
p. 127. • 1862. 
Pidancet, et Chopard. —IJn Saurien gigantesqne, le Dimodosaurus 
poligniensis de marnes irisees de Poligny. (Jura.) Comp. rend, 
liv. p. 1259. 
Planchon. —Possils de Meximieux (Ain.) Bull. Yand. vii. p.254. 
Pouech, L’Abbe.—S ur la Grotte ossifere de l’Herm (Ariege). Bull, 
d. 1. Soc. Geol. xix. p. 564. 
Prestwich, Joseph.' —Theoretical considerations on the Conditions 
under which the Drift Deposits containing the Remains of Extinct 
Mammalia and Elint Implements were accumulated ; and on their 
Geological Age. Boy. Soc. Proc. xii. p.38. 
---Loess of the Valleys of the South of England, and of the 
Somme and the Seine. Ibid. p. 170. 
Quatrefages, A. de. — Structure artificielle des buttes de St. 
Michel-en-Lherm. Comp. rend. liv. p. 816. Bull. d. 1. Soc. Geol. 
xviii. p. 933. 
Richthofen, E. von. —Nummulitenformen auf Japan und den Phi- 
lippinen. Deuts. Geol. Ges. Zeitsch. xiv. p. 357. 
Riviere. —Buttes cocpiillieres de St. Michel-en-Lherm. Comp. rend, 
liv. p. 1065-1131. 
Roberts, G. E.—On Crustacean Tracks from the Old Red Sandstone 
near Ludlow. Quart. J. Geol. Soc. xix. p. 233. 
—--Plant-bed in the Severn Valley. Geol. Assoc. Proc. 1, p. 120. 
1862. 
Rolle, E.—XTeber eine neue Cephalopoden Gattung, Cyclidia , aus den 
Tertiar-Schichten von Siebenbiirgen. Vien. Sitz. xlv. H. i. p. 119. 
Boemer, F. —Notiz liber die silurischen Schichten der Gegend von 
Zaleszczylcy in Galizien. L. & B. Jahrb. 1862, p. 327. 
--Eine Notiz liber die Auffindung von Bosidonomya Becheri 
in der Grauwacke von Oesterreichisch-Schlesien. Jahresb. d. 
Schlesisch. Gesellsch, xxxix. p. 38. 
-— Notiz uber das Vorkommen von Nautilus hilobatus, Sow., 
in Kohlenkalkc Schlesiens. Zeits. d. d. Geol. Gesellsch. xiii. 
p. 695. (1861.) 
Rominger, C. — Calomoporce from the Gravel-Deposits near Ann 
Arbour, Michigan. Sill. Journ. xxxiv. p. 389. 
-True Nature of Pleurodictyum prohlematicum . Ibid. xxxv. 
p. 82. 
Rose, C. B.—Eossil Mammalian Remains from the bed of the 
German Ocean. Geologist v. p. 459. 1862. 
Rutimeyer, L.—Eocane Saugethiere aus deni Gebiet des Schweizer- 
ischen Jura. Geneva, 1862. 
Saemann, L.—Observations sur Belemnites quadratus. Bull. d. 1. 
Soc. Geol. xviii. p. 1026. (Plate.) 
