PREFACE. 



XT 



the outfides, and whether longitudinal or 

 tranfverfal ; and the animals inhabiting the 

 (hells fhould likewife be obferved and deli- 

 neated. 



In the reft of the worm tribe, the fhape, 

 arms, and other parts of the animal fhould 

 be delineated. 



In plants the greateft accuracy is requi- 

 fite, the fhape of the flower being fo va- 

 ried, nice attention is neceffary to diftin- 

 guifh it's minute parts ; the figure and num- 

 ber of the flower leaves ; the form and 

 feftions of the flower-cup ; the number and 

 difpofition of the duft veffels, and of the 

 columnar veffels ftanding on the fructifica- 

 tion (which are reckoned by botanifts to be 

 the male and female parts of the flower, 

 and in fome inftances are on different plants ; 

 in others oh the fame plant, but in different 

 parts of it) the fhape, ftruflure, and co- 

 lour of the ftalk and leaves ; the appearance 

 and ftrufture of the roots, and fuch other 

 circumftances as characterize the different 

 fpecies of plants, ought never to be omitted. 



The following method of preferving feeds, 

 by John Sneyd, efq. fhould have been in- 

 ferted, under the direftions for bringing 



over 



