COCKLE, OR PEPPEECORN. 85 



in parallel directions ; but if a little morsel is 

 taken on the end of a pin, and put on a slip of 

 glass and moistened, it will soon be seen to 

 divide, and give a milky appearance to the 

 water. But, on submitting it to a powerful 

 microscope, the astonished observer will soon 

 discover that the cottony mass is a dense body 

 of living eel-shaped animalculae, which often 

 wriggle about with great vivacity. 



Accordingly the name given to the disease is 

 vibrio triticiy the eel of the 

 wheat. The annexed diagram 

 is a faithful representation 

 of a grain of wheat cut across 

 when occupied by these vi- 

 briones, and the downy mass 



AiT ji • 1 • Transverse section of a 



as IS seen, nllmg the mterior. grain of wheat filled 



In the other drawings, the magnified '"en d?ame- 



cels are seen, as they are viewed *"^" 



Egg with the vibrio The vibriones, magnified 130 diameters, 

 coiled up, magni- 

 fied 200 times. 



by the microscope, magnified 130 diameters. 



