INTRODUCTION 111 



Ships, Officers, and Travellers ; particularly to 

 those engaged in the South Sea Fishery," &c. 

 which went through two editions. Since that 

 time, science has rapidly advanced, and it may 

 be said, there are but few individuals who have 

 not felt a desire to obtain something more than 

 an ordinary knowledge of the productions of 

 nature, whether mineral, animal, or vegetable. 

 The attainment of this desirable object has been 

 rendered extremely easy by recent publications, 

 which embrace, separately, the various bran- 

 ches of natural history ; and there is no de- 

 partment which has received more illustration 

 than Conchology*. 



.* The Author has just published the Systems both of Lin- 

 naeus and Lamarck ; as well as an Introduction to Conchology 

 according to the Linnaean Arrangement, with colored plates 

 ind lists of the names of the various species under each gends, 

 written expressly for Students, and containing particular in- 

 structions for Collectors. 



