CHAPTER XXV. 291 



with 5 per cent, of collodion added, evaporates almost entirely 

 away, and passes through cedar oil into paraffin. 



For methods for the Mitochondria and Golgi apparatus it is 

 necessary to treat uteri as does Artom (above explained), and then 

 fix in the proper fluid. 



Echinodermata, Ccelenterata, and Porifera. 

 See the chapter on " Zoological Methods." 



192 



