IIo KANSAS UNIVERSITY QUARTERLY. 
into cold water. At any time thereafter the bucket may be slightly 
warmed after cutting off the cloth bottom and the plug of paraffin 
pushed out. The plug may then be shaped up and mounted on 
the microtome. This method is particularly useful where spor- 
angia or small buds of different ages are prepared with the object 
of getting sections in different directions and of different ages at 
each cut of the microtome knife. The buckets will also be found 
useful in preserving material in alcohol separated and labeled for 
future use. 
