LABELING AND CATALOGUING PREPARATIONS 319 
may be at any time dropped into their proper places. A rather com¬ 
plete label gradually built up in this way is shown in Figure 118. 
The beginner will often find that the mere placing of a slide in the 
proper box and the box in its proper place on the shelf will refresh or 
BRYOPHYTES 
HEPATICAE 
Jungermann idles 
Porella platyphyllum 
Archegonia 
Fig. 118.—Label for slide box 
increase his knowledge of classification. While this system is almost 
ideal for the careful worker, especially if he has some knowledge of 
classification, it is the worst possible method for a careless student 
since a slide in the wrong box is almost hopelessly lost if the collec¬ 
tion is large enough to need thorough classifying. 
