GELATIN METHOD 99 



alcohol into cresylol, and may then be mounted in balsam. To 

 mount in glycerin is of course easy. 



BuRZYNSKi (Polu. Arch. Boil. Med. Wiss., i, 1901, p. 39) fmds 

 that alkaline formol hardens gelatin better than acid. 



Gaskell [Journ. Path. Bad., July, 1912, p. 58) soaks in pure 

 gelatin, melted s.a., for two to five hours at 37° C, and hardens 

 the mass in vapour of formol, for three or more days. To cut, 

 he freezes. He mounts in glycerin jelly, to avoid dehydration 

 and shrinkage. 



4—3 



