XIV 



CONTENTS. 



Of ganglion cells -witli a straight and spiral fibre . . 



The views of Arnold and others 



Probable nature of the spherical and oval nerve-cells 



PAGE 



. 194 

 . 194 

 . 190 



Nerve ^4-ction. 



Of the nerve current . . . . . . . . . . . . 197 



Of the chemical theory of the nerve cui'rent . . - . . 199 



The vibratory theory of nerve action . . . . . . 200 



Experimental investigations inconclusive . . . . . . 200 



Fallacy of the argument based upon the excitability of 



nerve-fibres . . . . . . . . . . . . 201 



Fallacy of the argument deduced from the rate at which 



the nerve current travels . . . . . . . . 203 



Of the action of the bioplasm of nerve-fibres . . . , 204 



The probabje action of tlic bioplasm of nerve . . . . 206 



The vital power of the highest bioplasm . . . . . . 208 



3Iuscular Tissue. 



Peculiar property of muscle . . 



" Protoplasm" of muscle 



Contractility and vital movements . . 



Of studying the contraction of muscular tissue 



Two kinds of muscle . . 



Un striped muscle 



Muscular fibre cells with three or more fibres 



Muscular fibre cells of the arteries . . 



Striated or striped muscle . , 



The bioplasm of muscle 



Formed material of muscle non-living 



San-olcmma . . 



Of the junction of muscle with tendon 



Develojjmeut of muscular tissue 



Changes occurring in old muscular tissue. Fibrous d 



generation 

 Fatty degeneration of muscle 



Distribution of Nerves to Muscular Tissue, 

 hivoluntary 3Iuscle. 

 Distribution of nerves to the bladder of the frog . . 



Striped Muscle. 



Of the dai'k-bordered nerve fibres distributed to voluntary 



muscle 239 



211 

 212 

 213 

 214 

 216 

 216 

 219 

 220 

 220 

 222 

 226 

 228 

 229 

 229 



231 

 232 



236 



