1 30 Protoplasm. 



which man has made, and can again make by 

 the use of well-known forces and material 

 which he can combine at will ; it is not there- 

 fore necessary to hypothecate any other force 

 or principle. When man can make any, even 

 the simplest organism, out of inorganic matter, 

 then shall we be compelled to acknowledge 

 that chemical and other forces are sufficient, 

 and that the hypothesis of a vital principle 

 has had its day and may cease to be. To 

 Professor Huxley's illustration I will respond 

 seriously when he has demonstrated to me 

 that meat-jacks have been developed from 

 the beginning of time only and exclusively 

 under the immediate contact and influence of 

 pre-existing meat-jacks. Until then the analogy 

 is scarcely close enough to need refutation or 

 discussion." 1 



8. Mr. Huxley, as above cited, refuses to 

 recognise the distinction between dead proto- 

 plasm and that which lives. Other authorities 

 however, and especially the Germans who have 

 led the way in this investigation, say expressly 

 that whether the same elements are to be 

 referred to the protoplasmic cells equally after 

 death as before it is a matter entirely unknown. 

 While this is so it is evident that Mr. Huxley's 



1 Contemporary Review, September, 1876, p. 558 etseq. 



