TRANSACTIONS OF MICROSCOPICAL SOCIETY. 



DESCRIPTION OF PLATE III, 



Illustrating Mr. Addison's paper on Changes of Form in the 

 Red Corpuscles of Human Blood. 



rig. 



\,— Natural forms of the red corpuscles of human blood. 

 2.— Alkaline forms, produced by saline and alkaline liquids. 

 ^.— Acid forms, produced by the action of weak acid liquids. 

 ^.—Tailed forms, produced by Sherry wine, &c. 



