CONTENTS. xiii 



PAGE 



Conjectural hypothesis 303 



If vital changes cease a living particle dies 304 



Life stuff and its powers of development ... 305 



Structure-forming capacity ... ... 306 



Vital hypothesis based on observation . ... ... 307 



Kant's gradual descent from man to zoophyte ... ... ... 308 



Ideas about gradual descent not true ... ... ... 308 



Study of historical period ... ... ... ... ... ... 309 



Vital power of some kind necessary to explain facts . ... ... 310 



II. ON THE NATURE OF MIND. 



Consciousness, intellect, and will as products of action 311 



Laws, forces, properties, and tendencies not mind ... 312 



Nerve mechanism, its relations to bioplasm ..313 



Hypothesis of vitality and mind ... ... ... 314 



Vital phenomena not due to will ... ... ... 315 



Instinct and will ... ... ... 316 



Thought in lower animals ... ... ... ... 316 



Nerve fibres through which thought acts ... ... ... ...317 



Nerve fibres not like telegraph wires... ... ... ... . . 3 I 7 



Influence of bioplasm ... ... 318 



Bioplasts of grey matter of brain 319 



Mind bioplasts and their action ... 320 



Nerve fibres of convolutions ... ... ... ... 321 



Caudate nerve cells, their action ... ... 321 



Fritsch and Hitzig's experiments ... ... ... ... ... 322 



Dr. Ferrier's experiments on the functions of the convolutions . . . 322 

 Dr. Hughlings Jackson's clinical observations ... ... ... 323 



Dr. Ferrier's conclusions, summary of ... ... ... ... 323 



Actions of brain not purely physical ... ... 324 



Excitation of action of cerebral convolutions . ... ... ... 325 



Vital action of bioplasts on surface of convolutions... ... ... 325 



Consciousness not related to force ... ... 325 



III. OF DESIGN. 



Argument of design opposed ... ... ... ... 326 



Difficulties of accepting the argument . ... ... ... ... 327 



Views of unprejudiced observers ... ... ... ... ... 328 



Helmholtz decides against design ... ... ... ... ... 329 



Nature and natural selection ... ... 329 



Nature differentiating herself ... ... 329 



Properties and attributes of the new nature ... ... ... ... 330 



Modification of old views of Deity ... .. ... ... ... 330 



Forcing back the time of operation of Omnipotence . ... 331 



Omnipotence does not test results ... ... ... ... ... 332 



Facts in favour of design outweigh those against the argument ... 332 



Formation of jelly speck not yet achieved ... ... ... 333 



