12. 
ee 
14. 
Le 
16. 
Ea: 
18. 
19. 
20. 
20. 
22. 
2ae 
24. 
25 
2Ge 
ay 
Blocks of tissue, hardened like A, imbedded in celloidin, mor- 
StronG, Technique of Weigert’s Method. 293 
\ 
Copper bichromate. Potassium bichromate + osmic. H. 
Pal. Not good. 
Iron alum. A.h. Ironalum. Failure. 
Iron alum. H. Osmic. Pal. Failure. 
Iron alum. H. Borax-ferricyanide. Failure. 
Iron alum. Potassium bichromate + osmic. H. Pal. 
Failure. 
Potassium bichromate. A.h. and N.h. Pal. Not good. 
Potassium bichromate. A.h. Borax-ferricyanide. Not good. 
Potassium bichromate. Iron alum. H. Borax-ferricyanide. 
Fair. 
Potassium bichromate. Iron alum. H. Osmic. Pal. Good. 
Potassium bichromate. Iron alum. H. Pal. Not good. 
Potassium bichromate. fron alum. H. Iron alum. Failure. 
Potassium bichromate + chrome alum. H. Pal. Not good. 
Potassium bichromate ++ chrome alum. H._ Borax-ferri- 
cyanide. Failure. 
Potassium bichromate. Copper acetate. N.h. Osmic. Pal. 
Fair. 
Potassium bichromate. Copper acetate. N. h. Borax- 
ferricyanide. Failure. 
Potassium bichromate + osmic. N. h. Pal. Not good. 
danted z” fofo in copper bichromate several days. The sec- 
tions made were then treated as follows: 
ive 
2. 
3- 
A. h. (at higher temperature part of time) Osmic. Pal. 
Fine. 
A. h. (at higher temperature part of time.) Pal. Not very 
good, lacking in brilliancy. 
A. h. (at higher temperature part of time.) Borax-ferri- 
cyanide. Failure. 
C. Cord of a seven months foetus hardened in copper _ bichro- 
IEA PW N 
mate ++ formalin as above described. The celloidin sections 
made were treated as follows : 
- Calcium bichromate (5%, 13 days). A. h. Osmic. Pal. Fine. 
Copper acetate. H. Pal. Net good. 
Copper acetate. H.Osmic. Pal. Good. 
Copper acetate. H. Borax-ferricyanide. Failure. 
Copper bichromate. H. Borax-ferricyanide. Not good. 
Copper bichromate. H. Osmic. Pal. Good. 
No further mordanting. H. Osmic. Pal. Good. These 
