182 . JOURNAL OF SCIENCE. 
by Dr. Hartung of the Botany Stearine Works. 
shown in a crude semi-translucent state, a perfectly clear fluid, 
mixed with a few drops of oil of almonds, and mixed with half its 
bulk of oil of cedar. In the last three forms it proved to be boot 
suited for microscopical purposes, and promises to become a valu- 
able fluid for use with homogeneous objectives. 
Samples were _ 
io 
“\: 
sa Hae: eos 
