SÉANCE DU 20 MARS 1900. 63 



2970. — The Meteorologïcal Conditions of North- Western Europe, durim] 



the Pliocène and Glacial Periods, Extrait in-S*" de 1 pnge. 

 Londres, 1899. 



2971. Limburg Stirum (Ad. de). Sur les Mummulites du terrain bruxellien. 



Exlryit in-8" de 3 pages. Liège, 1900. 



2972. Rosenbusch, H. Studien im Gneissgebirye des ScJiwarzwakles. Extrait 



in-8'' de 48 pages, 2 planches. Heidelberg, 1899. 



2973. Sacco, F. / Molluschi dei Terreni terziarii del Piemonte e délia Liguria. 



Parte XXV e XXVL Extrait in-8'^ d(? 0 pages. Turin, 1898. 



2974. — Idem. (Parte XXVIL) Extrait in-8« de 4 pages. Turin, 1899. 



2975. Zittel (K. A. von) und Ed. Suess. Zur Literaturgeschichte der Alpineu 



Trias. Extrait in 8° de 4 pages. Vienne, 1899. 



2976. Wood, 8.-J. Observations on the Séquence of Ihe Glacial Beds. Extrait 



in-S'' de 13 pages. Londres, 1870. 



2977. — On the relation of the Boulder-Clay, ivithout Chalk, ofthe North 



of England to the Great Chalkg Boulder-Clay ofthe South. Extrait 

 in-8° de 21 pages, 1 planche. Londres, 1870. 



2978. — On the Evidence ajforded by the Detrital Beds without and withi7i 



the North- Eastem part of the Valley ofthe Weald as to the Mode 

 and Date of the Denudation of thut Valley. Extrait in-8° de 

 27 pages, 1 planche. Londres, 1871. 



2979. — The Post-Glacial Period. Extrait in- 8° de 9 pages. Londres, 1872. 



2980. — Reply to Mr. James Geikie. Extrait m-S^ de 6 pages. Londres, 



1872. 



2981. — A merican and British Surface Geology. Extrait in-8« de 48 pages, 



2 cartes. Londres, 1877. 



2982. — The Neiver Pliocène Period in England (Part I). Extrait in-8" de 



71 pages, 1 planche. Londres, 1880. 



2983. — Idem (Part II). Extrait in-8« de 78 pages, 1 planche. Londres, 



1882. 



2984. — On a new Deposit of Pliocène Age at St-Erth, near the Land's 



End, Cornwall. Extrait in-8" de 9 pages. Londres, 188o. 



2985. — Wood, S.-V. and Harmer, F.-W. An Outliae of the Geology of the Upper 



Tertiaries of East Anglia. Extrait in-4° de 31 pages, 1 carte. 1872. 



2986. — Kemna, Ad. La biologie du filtrage au sable. Extrait de 30 pages 



et 4 planches, du Bulletin, tome XIII, 1899 (2 exemplaires). 



