CONTENTS. lU 



PAGH 



XVI. Statistics of Nutmegs, ..... 139 



XVII. Account of a Craniological Collection, with remarks 

 on the Classification of some Families of the Hu- 

 man Race. By Dr Samuel G. Morton, 144 



XVIII. A Description of several extraordinary Displays of 

 the Aurora Borealis, as observed at Prestwich, 

 during the winter of 1848-1849 ; with Theoreti- 

 cal Remarks. By William Sturgeon, Lecturer 

 on Natural and Experimental Philosophy, formerly 

 Lecturer at the Honourable East India Company's 

 Military Academy, Addisconibe, and late Editor 

 of the "Annals of Electricity," &c. Communicated 

 by the Author, . . . . * . 147 



XIX. Oceanic Infusoria, Living and Fossil, . . 158 



XX. On Grooved and Striated Rocks in the Middle Region 

 of Scotland. By Charles Maclaren, Esq., 

 F.R.S.E., &,c. (With a Map.) Communicated by 

 the Author, 161 



XXI. On a Simple Form of Rain-Gauge. By the Rev. 

 John Fleming, D.D., &c.. Professor of Natural 

 Science, New College, Edinburgh. Communicated 

 by the Author, ..... 182 



XXII. New Adamantine Mineral from Bi-azil, . . 187 



XXIII. Notice of Plants which have recently flowered in the 



Royal Botanic Garden. By J. H. Balfour, 

 Esq., M.D., Professor of Botany in the University 

 of Edinburgh. (With a Plate of the Quassia 

 amara.) Communicated by the Author, . 189 



XXIV. Scientific Intelligence : — 



METEOROLOGY AND HYDR0I.0CiY. 



1. Climate of Italy. 2. Analysis of the Water of the 

 Mediterranean off the ('oast of France, . . 191 



