Figure 4.--Slide box for 
carrying clips of coated 
slides to sampling Site; 
A, front view showing 
empty slides stacked in 
front compartment; B, 
Side view; C, front view 
showing slides in rear 
compartment after col- 
lections have been taken. | 
Figure 5.--Carrying case 
for holding three slide 
boxes. 
Figure 6.--Inserting coated 
slides in tines of sampling 
fork before taking collec- 
tion. 
