Vlll 



CONTENTS OF THE EIRST VOLUME. 



CHAPTER VII. 



ACTIVE ORGANS OF LOCOMOTION. 



Of MUSCLE in general, 150 



Of the striped fibres, 150 



Size and shape, 151 



Internal structure, 151 



Sarcous elements, 152 



Sarcolemma, 155 



Attachment of tendon, 156 



Development, 157 



Growth, 159 



Of the unstriped fibres, 159 



Size, shape, and structure, 159 



Distribution of the striped and unstriped 

 fibres in the body, 160 



Dartos, 161 



Distribution in the animal series, 162 



Arrangement of fibres in voluntary mus- 

 cles, 163 



Arrangement of tendon in muscles, 163 



Origin and insertion, 164 



Arrangement of fibres in the hollow mus- 

 cles, 164 



Areolar tissue of muscles, 165 



Blood-vessels, 166 



Nerves, 167 



Antagonism of muscles, 169 



Arrangement of muscles on the skeleton, 

 170 



Contractility, elasticity, and tenacity of 

 muscle, 170 



Passive contraction, 171 



Tonicity 172 



Active contraction, muscular fatigue, 

 172 



Stimuli of muscle, nervous and physical, 

 172 



Contraction caused by a physical stimu- 

 lus applied to the isolated sarcous 

 tissue, 174 



Contractility, a property of the sarcous 

 tissue, 175 



A muscle not smaller during contrac- 

 tion, but shorter and thicker, 176 



The same true of the sarcous tissue, 177 



Minute movements in passive and active 



contraction, 179 ; as exhibited in teta- 

 nic muscle, 182 



Muscular sound, 183 



Heat developed during contraction, 184 



Varieties of contraction, 185 



Zigzags explained, 186 



Schwann's experiment, 187 



Character of contractility varies with nu- 

 trition, 188 



Analogy to fibrine of blood, 189 



Rigor mortis, 190 



Muscular sense, 190 



Action of the sphincters, 191 



Peristaltic contraction, 192 



Rhythmical contractions, 193 



Association of movements, 194 



The attitudes of man, 196 



Power of volition and emotion over the 

 muscles, 198 



Reflex movements, 198 



Instinctive movements, 199 



Mechanical or habitual movements, 1 99 



CHAPTER VIII. 



INNERVATION. 



Examples of NERVOUS ACTIONS, 201 

 Connexion of nervous actions with the 



mind, 202 



Physical nervous actions, 204 

 NERVOUS MATTER, 205 

 Elements of the nervous system, 206 

 Properties of nervous matter, 206 



Tubular fibre, 208 ; tubular membrane, 

 white substance; and axis cylinder, 

 209 ; varicosities, size, 211 



Gelatinous fibre, 211 



Vesicular nervous matter, 212 



Ganglion-globules, 212 



Caudate vesicles, 213 



