17 
CELLOIDIN IMBEDDING— 
A. Prepare a thin celloidin solution containing 4 per cent celloidin in equal parts 
of absolute alcohol and ether. 
B. Prepare a saturated solution in the same solvent. 
C. Transfer tissue from absolute alcohol to equal parts of alcohol and ether. 
D. From alcohol and ether to thin celloidin. 
E. From thin celloidin to thick celloidin. 
F. From thick celloidin to paper mold on cork. 
G. Into 70 per cent alcohol for three days to harden. 
H. Cut section with knife flooded with 70 per cent alcohol. 
I. Stain. 
J. Dehydrate. 
K. Clear. 
L. Mount. 
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