ELEMENTARY PHOTO-MICROGRAPHY. PLATE II. 



TAKEN BY DIRECT LIGHT. 



J 



Fig 14. Section of human tongue, sin. objective at aoin. No condenser. 

 A" eyepiece. Chromatic plate. One minute. 



Fig. 15. Section of clematis stem, sin objective at i8in. Rapid 

 plate. "A" eyepiece. One minute. 



