CONTENTS. 



PAGK 



Art. I. On the Life and Writings of Theodore de Saussure. 



By Professor Macaire, 1 



II. On the Ethnography of Russian America. By R. G. 

 Latham, M.D. Communicated for the Edinburgh 

 New Philosophical Journal by the Ethnological 

 Society, 35 



III. Miscellaneous Observations made during a Voyage 



from England to Barbadoes. By John Davy, 

 M.D., F.R.S., London and Edinburgh, Inspector- 

 General of Army Hospitals. Communicated by 

 the Author, ...... 45 



1. Of the Temperature of the Sea at the Surface, and of 



the Specific Gravity of the Surface Water, . 45 



2. Of the effect of Sea-sickness as a remedial means, 48 



3. Of the effect of increased Atmospheric Temperature 



on the Temperature of Man, . . . 50 



4. Of the Temperature of different parts of the Body on 



entering a Warm Climate, . . . 51 



5. Of the Early Morning Temperature of the Body within 



the Tropics, . . . . . 53 



6. Of the effect of a High Artificial Temperature on Man, 54 



7. Of the Ventilation and Cooling of Steam-ships, . 57 



IV. On some new and curious Curves, generated by the 



Images reflected from Plane Mirrors, in a state of 

 rapid rotation around a fixed Axis. By Adam 

 Anderson, LL.D., F.R.S.E., &c.. Professor of 

 Natural Philosophy in the United College, St 

 Andrews. With three Plates. Communicated 

 by the Author, • 69 



