PREFACE. Vii. 



same remark, however, does not apply to a very large number of 

 objects of great interest, as described in this work. With the 

 help of the directions contained herein, most of those objects may 

 be procured at a small cost of either time or money. 



The concluding chapter (on the Megaloscope) is a posthumous 

 Essay by the late Dr. Goring, The subject of it wHl be, to many 

 persons, both novel and interesting. It is written in the Doctor's 

 usual peculiar though forcible style. 



In the Catalogue of Microscopic Objects the English names 

 are often mixed with the technical. This may perhaps be objected 

 to by systematic naturaUsts : but this little book being designed 

 for the general observer, the course herein adopted in this respect 

 was considered as, on the whole, the best. 



London; April, 1847. 



