292 On a Sulstilule for Coffee proposed ly a French Author, 



and which render the anatomy of insects so intricate, particularly 

 when we wish to deduce general conclusions from observations 

 made upon a great number of individuals. We may also add 

 to these difficulties, which are immense, and which we can never 

 be certain of having surmounted, those which result from the 

 uncertainty in which we still are, respecting the organization of 

 the great class of articulated animals. Indeed, these difficulties 

 are the greater, because the classes of articulated animals are 

 much less striking, and less clearly separated, than those of the 

 other ramifications. Thus we cannot have recourse to analogy 

 to judge a priori of the organization of these animals. The 

 anatomist who should take into the labours of classificators the 

 ba«is of his own researches, would run the risk of falling into 

 greater errors, if he examined but one organ only, and he would 

 surely bring together animals separated by their whole organi- 

 zation. 



To conclude : we may have fallen hito errors in the course of 

 our investigation ; but, as truth was the object of all our eflforts, 

 we trust we shall be forgiven. 



XLV. 071 a Sulstilutefor Cqf'ee, proposed by a French Author, 



To Mr. Tilloch. 



Sir, — J. RUSTING that you will always have the candour, in your 

 valuable j)ublication, to award the priority of any discovery to 

 those who may have a jtist right to claim it, I take the liberty, 

 through that channel, of suggesting, that tlie discovery of the 

 seeds of the /riv pseudacorus, or common yellow water flag, as 

 an excellent substitute for coffee, was not made by M. Levrat^ 

 as stated in tlie Philosophical Magazine for August, page 144, 

 but by myself in the year 1809, as may be seen in the twenty- 

 second volume of Nicholson's Philosophical and Chemical Jour- 

 nal, where my account of it is published. And as that paper 

 was soon noticed by Morveau, in the Annalei de Chimie, the 

 subject might have been suggested to M. Levrat by either of 

 these sources ; and I am happy to find that my opinion of the 

 usefulness of these seed^ is likely to be acted upon for the bene- 

 fit of our speciei. 



I remain, yours, &c. 

 Wisbech, Sept. Q, 18H, Wm. Skrimshirk, Jun. 



XL'VI. Bio- 



