PREFACE. ix 



on fuch fubjefts of general utility, efpe- 

 daily the natural produ&ions peculiar to 

 the place they vifit or refide in, which 

 they are induced to overlook for want 

 of proper direftions for diftinguifhing and 

 preserving them, whereby things of value 

 and ufe are loft to the public, and the 

 time of the traveller lefs beneficially em- 

 ployed. 



To promote an application of the time 

 and talents of fuch perfons to rational 

 and commendable inquiries of this kind, 

 is the defign of the following directions, 

 which the author thinks himfelf juftified 

 in recommending, as they principally re- 

 fult from experiment and obfervation : 

 Thefe were firft publifhed about twelve 

 months ago, and the reception from the 

 public hath been fuch, as renders ano- 

 ther edition requifite, while it intimates 

 the utility of the original plan, which 

 has fince been confiderably improved, to 

 make it more deferving of future en- 

 couragement. 



The fecond part is intirely new, in 

 which are introduced feveral queries and 

 obfervations on natural hiftory, and upon 

 fubjefts in general, which have not been 

 clearly and fufficiently afcertained, and 

 therefore merit the attention of the Natu- 

 ralift and Traveller. For this part of his 

 publication, the author acknowledges him- 

 felf 



