12 INTRODUCTION TO ZOOLOGY. 



also to have a set of dissecting instruments, consisting 

 of a lens, a scalpel, a pair of small, sharp-pointed 

 scissors, and a pair of fine-pointed forceps ; you 

 should also have a dissecting dish, a small jar 

 or wide-mouthed bottle for preserving your alco- 

 holic material from day to day, a towel, and a piece 

 of soap. 



Suggestions about the collection and preservation 

 of material and laboratory devices and management 

 will be found in a chapter near the end of the book. 



