aie ANIMAL PHYSIOLOGY. 
PAGE 
The physiology of nerve ; P 3 ‘ : ‘ , ‘ ; . 196 
Electrotonus . a r F : . é . : : . 196 
Pathological and clinitead . ‘ 7 z . , ‘ , . 198 
Law of contraction. : : é 3 : : : Y ‘ . 198 
Electrical organs . ‘ : : : . : . . . . 199 
Muscular work. . 199 
Circumstances influencing the diaraotir of musenlar aaa a nervous aedeity 200 
The influence of blood-supply and fatigue . ; é . : . 200 
Separation of muscle from the central nervous system . é 7 . 202 
The influence of temperature 5 : ‘ : » 202 
The intimate nature of muscular and nervous sitinn ‘ : ‘ . 208 
Unstriped muscle . ‘ : . : . . , : : . » 204 
General . ; : ‘ 2 3 ; : " : 5 . 204 
Comparative . ; : : : : ‘ 3 : ; F . 205 
Special considerations . i . 5 . 5 * F . . » 205 
Functional variations . : . : : : . 207 
Summary of the physiology of niasele endl nerve. . : 2 . 208 
THe Nervous SystEM—GENERAL CONSIDERATIONS : . . : . 210 
Experimental . : , é ; ‘ : 4 , z : » 212 
Automatism .. - : . ‘ . ‘ : . ‘ 3 . 214 
Conclusions . ‘ ‘ 4 ‘ . 5 . ; , . 214 
Nervous inhibition . ‘ ‘ é , : ‘ . - : » 215 
Tae CircuLation or THE BLoop .. ; é : : * ; : . 216 
General . és “ é 3 : 2 . . . ‘ . . 216 
The mammalian heart . ‘ = : - A . , . . 217 
Circulation in the mammal . ; : . : : . : . » 221 
The action of the mammalian heart . A ; ; ‘ ; . . 228 
The velocity of the blood and blood-pressure. . P ‘ : . 224 
General . A a a a : A ; . 224 
Comparative . 3 . ‘ ‘ : . ‘ ; . 225 
The circulation under the amieroneape ‘ i : 7 : i : : 226 
The characters of the blood-flow . ‘ F ; : j ‘ . 227 
Blood-pressure . F : ; . ge ; : . ‘ » 228 
Toe Heart. ; - . ‘ : . é ; : ‘ . 282 
The cardiac ovsmenie ‘ : . F i ; é . ‘ . 282 
The impulse of the heart . : : : 4 ‘ 233 
Investigation of the heart-beat from within . 3 3 : : . 284 
The cardiac sounds ‘ ‘ é . 3 5 é é 5 ‘ . 285 
Causesofthesounds . . « .° . .) : . . 286 
Endo-cardiac pressures. 9. www 238 
The work of the heart . ‘ . ‘i ‘ B : ° : . 241 
Variations in the cardiac pulsation . . . , . : ; . 242 
The pulse. : : ; ; : . : . 244 
Features of an arterial pulke-tmding : : ‘ . . ‘ » 247 
Venous pulse . ‘ ‘ : : F ; ‘ ‘ . 261 
Pathological . ; . é . : . : : : . 261 
Comparative . : , . : ‘ . 251 
The beat of the heart andl a icatiakeua: ; . é 7 ‘ . 261 
The nervous system in relation to the heart : i . , é . 261 
Influence of the vagus nerve on the heart . She . . . . 265 
