ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 
665 
Fuess Microscopes.* — The Fuess model No. II. (fig. 68) is similar 
to the larger instrument described in this Journal, 1891, p. 393. The 
stand can be inclined to the horizontal. The rotating stage is divided 
into 360°, with two verniers reading to 5 minutes. It can be fixed 
in any position by means of a lever. The polarizer has a rack-and- 
* Fuess, R., ‘ Krystallographische u. Physikalisclie Instrumeute,’ Berlin, 1S91, 
56 pp., 55 figs. 
