﻿CONTENTS OF PART II. 



Alphabetically arranged — the names of the Authors in capital letters. 



Page 



Aix-la-Chapelle district, Debey on the 109 



Alkalies and Phosphoric Acid in Limestones, Fehling on the pre- 

 sence of 90 



Alps, MM. Schlagintweit's Researches on the Physical Geogra- 

 phy of the 14 



west of Neustadt and Neunkirchen, Von Hauer on some 



Outliers of the 85 



Anthracite Plants of the Alps, Heer on the 91 



Aptychus, Von Buch and Burmeister on 32 



Arkansite and Brookite, Ram m els berg on the Identity of 90 



, Breithaupt on 112 



Arsenious Acid, Realgar, and Orpiment, Hausmann on 1 



Breithaupt on Arkansite 112 



Brookite, Rammelsberg on the Identity of Arkansite and 90 



Brunswick, Von Strombeck on the Necomian Formation of the 



neighbourhood of 105 



Buch, V on, on Aptychus 32 



Cape of Good Hope Fossils, Krauss on some 120 



Chalk-formation of Aix-la-Chapelle, Debey on the 109 



Coal-formation of the Province of Leon, Hausmann on 11 



Comparison of the German Jura-formation with those of France and 



England, Fraas on the 42 



Cotta on the Internal Structure of Mountains 119 



Crinoidal Remains in Fluor-Spar, Slack on 115 



Debey on the Aix-la-Chapelle District 109 



Ehrenberg on a Gypsum-bed containing Infusoria 33 



on the Polycystina-clays of the Nicobar Islands 118 



on the Tchornoi Zem of Russia 112 



Eichwald on the Jura-formation of Russia 84 



Elevation and Subsidence of the Land in Switzerland, Studer on 



the 103 



of the Coast of Sweden, Nilsson on the 112 



Fehling on the presence of Alkalies and Phosphoric Acid in Lime- 

 stones 90 



Fluor-Spar, Slack on the Crinoidal Remains in 115 



Fraas on the Comparison of the German, French, and English Jura- 

 formations 42 



Geinitz on the Quader-formation of Germany 6 



German Jura-formation, Fraas on the 42 



Tertiaries, Sandberger on the 118 



Giebel on Recent Notices of the Nummulite-formation .... 116 



Grewingk on the Orography and Geognosy of the North-West 



Coast of North America and the Outlying Islands 113 



Gypsum-bed containing Infusoria, Ehrenberg on a 33 



