ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 



597 



The stage can be moved up or down on the tad-piece, and can be 

 turned to one side for various purposes, the chief apparently being that 

 of using the "spring-phial-holder"— a device of Vaxley s for retaining 

 a phial in an upright position when examining objects under water. 



Fig. 64. 



There is a sub-stage fitting for carrying a polariser, and there is also 

 an adapter for carrying an analyser over the eye-piece. _ 



There are eight objectives— 2 in., 1£ in. (?), 1 in., ^ in., 4- in., » in. 

 with collar adjustment, r \ in., and T V in. The 1 in. and £ in. are 

 marked A, the \ in. is marked B, and the -^ in. and the ^ in. are 



