ELEMENTARY PHOTO-MICROGRA^HV- 

 PIvATE II. 



TAKEN BY DIRECT LIXJHT. 



Section of Human Tongue. 301. objective. No condenser. "A" eyepiece. 

 Chromatic plate. One minute, x 16. 



Section of Clematis Stem. sin. objective. Rapid plate. "A" eyepiece. 

 One minute. X 14. 



