PLATE V. 



ilOPLASM OF BACTERIUM, AMCEI3A, AND MUCUS. 



F!g. 23. 



'. .... / >* 



-. ' 



-=' "i 



Kg. 29. 



n 





a a crushed bacterium showing the changes in form which occurred 

 during a few seconds, x 1900. p. 97. 



Fig. 30. 





, 





^ 



A small amoeba, magnified by the 

 diameters. 1867. p. 93. 



Very minute living amoebae, magnified 5000 

 diameters, p. 96. 



Fig. 31. 



%W*' 



Mucus from the trachea during lifs, magnified 

 700 diameters, p. 101. 



L. S. B.] 



One of the living mucus corpuscles representec 



in Fig. 4, magnified by the s 1 o= -800 diameters. 



showing alterations in form during one 



minute, p. 101 . 



x 700 linear. 

 x 2300. 



x 5000. 



IS'/O. 

 [To face page '100. 



