ELEMENTARY PHOTO-MICROGRAPHY. 95 



Small flat tubes, which can be placed on the 

 stage of microscope, are very handy for the rough 

 examination of pond life. They are 3in. long, 



Date 



Where found 



Kingdom 



Sub-kingdom 



Class 



Order. 



Family 



Genus 



Species 



Remarks : 



FIG. 25. Back of card. 



Jin. wide, and |in. thick, with rounded neck at one 

 end to take a cork. Photographs of the coarser 

 kinds of plant and animal life may be taken 

 without any trouble of mounting. 



