EFFECTS OF THE COMPOSITION, &C. 431 



Copy of a Letter from the CEconomical Society of St. 

 Petershurgh, 



Imperial Corps of Land Cadets ^ in St. Petersburgh, 

 January 9, 1792. 



Sir, 



As a member of the CEconomical 

 Society of St. Petersburg]!, his Excellency Count 

 Anhalt solicits me to express, in your own lan- 

 guage, the pleasure which the communication of 

 your useful discovery has given him, and the 

 learned body over whom he so worthily presides. 

 The Count has already taken the necessary steps, 

 by desire of the Society, to have your little disserta- 

 tion translated and printed in the Russian language, 

 in order to diffuse the advantage it holds out as 

 widely as possible, over this vast empire. I am 

 happy in the opportunity his commission offers, of 

 expressing likewise, individually, the satisfaction I 

 have received, as a countryman and lover of Bo- 

 tany, from the perusal of your sagacious apphcation 

 of the Chirurgical art to vegetation ; and must 

 own, that your extirpation of the diseased parts, 

 and the use of an unguent to ward off the noxious 

 action of the air and humidity, during the exer- 

 tions of nature to repair loss of substance, and 

 the languid circulation of the vegetable juices, ap- 

 pear to me highly judicious. The analogy in cer- 

 tain respects between the inferior order of beings, 

 so particularly your care, and the more animated 



