PLATE XIII. 



DISTRIBUTION OB 1 ULTIMATE NERVE FIBRES. 



Nerve fibres distributed to the bladder of the froft. Vessels injected, a. Portion of a vein with 

 bioplasts sUuated very near together in its walls b, b, b, Capillaries, c. Dark-bordered nerve fibre, 

 dividing into two branches, one of which is seen to eud at d in tine delicate compound fibres, which 

 with others resulting from the division of other dark-bordered fibres, or prclo'nged from the fine 

 fibres ramifying with, the dark-bordered fibre, form networks distributed in every part of the tissue 

 and in distinct planes, x TOO. 



of an inch 



x 700. 



[To face page 251 



