110 



Journal of Applied Microscopy. 



tweon the grooves is flve-sixteenths inch 

 (see Fig. 3). There are twelve of these 

 guides which support the trays. Screw- 

 eyes are attached to each tray to serve 

 as pulls (Pig. 2, "A"). 



Ail parts are glued together. There 

 has been no warping during the three 

 years which it has been in use. 



A. D. Morrill. 



Hamilton College, Clinton, N. Y. 



A New Microscope Stand. 



With the increased use of the micro- 

 scope in high schools and in public 

 schools generally, there has been a gen- 

 eral expression indicating the desire for 

 simpler and yet serviceable instruments. 

 Simplicity of construction in order that 

 the instruments may be durable in the 

 hands of inexperienced students, and 

 cheapness because of the inadequacy of 



