ACKNOWLEDGMENTS. 317 



Prestwich, D. C. L., F.R.S., F.G.S., &tc. —Continued. 



— On the Relation of the Westleton Beds or Pebbly Sands of Suffolk, to those 

 of Norfolk, and on their extension inland, with some observations on the Period 

 of the Final Elevation and Denudation of the Weald and of the Thames Valley. 

 Part I, 36 pp., 111.— Quart. Jour. Geol. Soc, Feb., 1890. Part II, 36 pp.. 111., i pi. 

 — Ibid May, 1890. 



— On the Relation of the Westleton Shingle to other Pre-glacial Drifts in the 

 Thames Basin, and on a Southern Drift, with Observations on the Final Elevation 

 and Initial Subaerial Denudation of the Weald; and on the Genesis of the 

 Thames. 28 pp.. 111., I pi. — Quart. Jour. Geol. Soc, May, 1890. 



— On the Structure of the Crag-Beds of Norfolk and Suffolk, with some obser- 

 vations on Their Organic Remains. 48 pp.. 111., i pi. — Quart. Jour. Geol. Soc, 

 1871, pp. 115, 325 and 452. 



— The Raised Beaches and ' Head ' or Rubble Drift of the South of England; 

 their Relation to the Valley Drifts and to the Glacial Period; and on a late Post- 

 Glacial Submergence. 72 pp.. 111., i pi., i Colored Map. — Quar. Jour. Geol. Soc, 

 Vol. XLVIII, 1892. 



— Considerations on the Date, Duration and Conditions of the Glacial Period, 

 with reference to the Antiquity of Man. 21 pp. — Quart. Jour. Geol. Soc, August, 

 1887. 



— Tables of Temperatures of the Sea at Various Depths Below the Surface, 

 taken between 1749 and 1868. Collated and Reduced, with Notes and Sections. 

 8pp. — Proc Royal Soc, No. 154, 1874. 



— Congres Geologique international, IV Session Reunion de Londres Compte- 

 Rendu Sommaire par A. Houzean de Lehaie, President de la Societe suive du 

 discours d'ouverture de M. J. Prestwich, President du Congres. 16 pp. — Bulletin 

 de la Societe Beige du Geologie de Paleontologie et d'Hydrologie. 1888, pp. 

 283-88. 

 Prime, Frederick, Jr. 



— A Catalogue of Official Reports upon Geological Surveys of the Uuited States 

 and Territories and British North America. 71 pp. (1-7 1). — Trans. Am. Inst. 

 Min. Eng., Vol. VII, 1879. 

 Prosser, Charles S. 



— The Geological Age of the Rocks of the Novaculite Area of Arkansas. 7 pp. 

 (418-424). — An. Rep. Geol. Surv. Ark, for 1890. Whetstones and the Novacu- 

 lite of Arkansas, by L. S. Griswold, Vol. III. 



— The Thickness of the Devonian and Silurian Rocks of Western Central New 

 York. 13 pp. (199-21 1), 111. — Am. Geol., Oct., 1890. 



— The Devonian System of Eastern Pennsylvania. 12 pp. (210-221). — Am. 

 Jour. Sci., Vol. XLIV, Sept., 1892. 



— The Geological Position of theCatskill Group. 16 pp. (351-366). — Am. Geol. 

 June, 1 89 1. 



— The Thickness of the Devonian and Silurian Rocks of Western New York, 

 approximately along the Line of the Genesee River. 56 pp. (49-104), with Map. 

 — Proc Rochester Acad. Sci. Vol. 2, 1892. 



— The Section of the Morrisville Well, and the Upper Hamilton and Chenango 

 and Otsego Counties, New York. 3 pp. (208-210). — Proc. A. A. A. S., Vol. 

 XXXVI, Aug., 1887. 

 Heade, T. Mellard, C. E., F. G. S., F. R. I. B. A. 



— The Origin of Mountain Ranges. 4 pp. — Geol. Mag., May, 1887. 

 Renevier, Prof. E. 



— Renseiguements Geographiques et Geologiques sur le Sud de I'Afrique ex- 

 traits des lettres du missionaire P. Berthoud. 7 pp. — Bull. Soc. Vaud. des Sc 

 Nat. XIII, 73, p. 384- 



— Orographic de la Partie des Hautes-Alpes Calcaires comprise entre le 

 Rhone et le Rawyl. 92 pp. — Extrait de I'Annuaire du C. A. S., Vol. XVI. 



— Musees d'Histoire Naturelle de Lusanne Rapports Annuels des Conservateurs 

 a la Commission des Musees pour I'Annee 1890. 18 pp. — Extrait du Rapport du 

 Conseil d'Etat. Also 189 1, 22 pp. 



