6 PHYSIOLOGY FOR THE LABORATORY. 



II. THE RECORD OF EXPERIMENTS. 



After performing any experiment make a record of it in 

 the following order : 



a. The materials used. 



b. The apparatus used. 



c. The experiment, or what was done. 



d. The observation of what occurred. 



e. The inference, or explanation. 



III. THE INSTRUMENTS. 



Each scholar should be provided with a set of instru- 

 ments consisting of : 



1. A pair of scissors. 



2. A pair of forceps. 



3. A medium-sized scalpel. 



4. Two needle-holders with needles. 



Care should be taken to clean the instruments after 

 using them, to wipe, and to keep them dry. 



