CONTENTS. 



Art. I. Biographical Memoir of M. Claud Louis Richard/''^^ 

 By Baron Cuvier, _ _ . 201 



II. Description of Luminous Bodies which were observed 

 attached to the Vane-staff, at the Mast-head and 

 Yard-arm of H. M. S. Cadmus, while cruizing in the 

 River Plate. By Lieutenant Alexander Milne, 

 R.N. Communicated by the Author, - 214 



III. Private Journal of a Voyage to the Western Coast of 



Africa, including Observations on the Preservation 

 of the Health on that Station. Communicated by 

 the Author, _ _ _ _ 216 



IV. On making Artificial Pearls, - - _ 230 

 V. On Improvements in Black Writing Ink. By John 



BosTocK, M. D. F. R. S. E. - "_ 231 



VI. Additions to the Natural History of British Animals. 

 By John Coldstreabi, M. D. M. W. S. &c. Com- 

 municated by the Author, - - . 234 

 VII. On Polishing Metals, - - . _ 241 

 VIIL On the Phenomena and Causes of Hail-storms. By 

 Denison Olmsted, Professor of Mathematics and 

 Natural Philosophy in Yale College, - 244 



IX. Ararat, Pison, and Jerusalem, a contribution to Bibli- 



cal Geography. By Charles Von Raumek, 255 



X. 1. Visit to the Graphite or Black Lead-JIine in Glen 



Farrer in Inverness-shire. 2. Walk from Aberdeen 

 to Castleton of Braemar— Country around Castle- 

 ton.— From Castleton to Spittal of Glen Shec, and 

 Blairgowrie. 3. Blairgowrie,— Craigliall,—Forncth, 

 —Linn of Campsie,— Perth, . . 260' 



