ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 



129 



sections ; (5) the rapidity of use in cutting large numbers of sections 

 of uniform thickness for class purposes ; (6) the new and greatly im- 

 proved ether-bos; (7) the large size of the section that can be cut; 



Fra. 31. 



(8) its adaptability to various microtomic processes. The stability of 

 the instrument is indicated by the fact that it weighs 24 lb. complete. 

 Feb. 21st, 1900 K 



