PLATE II. 



THE MYSTERY OB 1 LIFE. 

 Fig. 1. 



portion of the same specimen as that figured in plate I, magnified 700 diameters, showing the 



relation ot the masses of bioplasm to the nerve' and muscular fibres, -which have been formed 



by them. One or two connective tissue corpuscles are also represented. 



Fig. 2. 



Fig. 3. 



Ganglion cells. Showing straight and 

 spiral nerve fibres, and their course, in 

 opposite directions, in the trunk of the 

 nerve. The bioplasm of the ganglion 

 cells and nerve fibres is also shown. 

 From- the hyla or green-tree frog, x 700. 

 P, 45. 



Ganglion cells and nerve fibres 

 with the bioplasm -which has taken 

 part in their formation. An 

 arrangement similar to that repre- 

 sented in this drawing and in 

 Fig. 2 is seen upon all the nerves 

 distributed to the heart, lungs, 

 liver, kidneys, and intestines 

 From the newt. X 130. p. 45 



an inch 



x 700. 



x 130. 



I To facepa*e 46. 



