ADVERTISEMENT. 



Pitcairn. This appeared in the Gentle- 

 man's Magazine in 1809- 



Observations and experiments on Vision. 

 These were published in the Philosophical 

 Transactions in 1811. 



A biographical sketch of Dr. Andrew 

 Marshall. This was published in the Gen- 

 tleman's Magazine in 1813. 



An answer to remarks in the Quarterly 

 Review, upon the Essay on Dew. An 

 answer to Mr. Prevost's queries respecting 

 the explanation of Mr. B. Prevost's expe- 

 riments on Dew. These appeared in Dr. 

 Thomson's Annals of Philosophy for 1815. 



A short letter " on the Condensation of 

 Water upon Glass." This was published 

 in Dr. Thomson's Annals of Philosophy 

 for 1816. 



The titles of his medical writings are, 



1. Observations on Erysipelas. 



2. An Instance of an entire want of Hair 

 in the Human Body. 





