IV. PREFACE. 



The Instructions for obtaining and preservi7?g the 

 various subjects, will, he presumes, be found easily/ 

 reduced to practice, and particular! tj adapted for the use 

 of those, whose business or pleasures may lead them to 

 maJce excursions in our own, or to visit foreign countries; 

 to promote the application of the leisure of such persons, 

 to the useful and rational sludjj of the Wonders of the 

 Creation, and to enable them to preserve and transport 

 the proceeds of their studies, with a probabiUti/ of their 

 arriving in good condition, are the principal designs of 

 the following pages. 



Fullj/ impressed with a conviction, that however con- 

 versant any person may be with the various branches of 

 this Science, yet, that a long life studiously devoted to 

 any one branch, will tiot command perfection, but much 

 will be left for future enquirei's. 



The Author will thanJcfulli/ receive any connnunica- 

 licn on the subject of preserving any particular branch 

 of the study, differing from those herein recommended, 

 more especially from persons who have devoted their 

 attention to any one science, as such are inore likely to 

 obtain perfection, than others, whose pursuits are more 

 general. 



Jn submitting this little Volume to the Scientific 

 Reader, the Author solicits his indulgence, it having 

 been written during the few hours of leisure, afforded by 

 a laborious profession, which he hopes zcill be accepted as 

 an apology for such errors as may have occurred. 



Waljvorth, June, 1817, 



