NEW LIVING CENTRES. 45 



appearance of the living matter under very high powers is 

 precisely the same in all cases. Similar movements certainly 

 occur in pus, and in cancer, and probably in every kind of 

 living matter in health and in disease. (PI. II, figs. 5 and 6.) 

 In some instances the movements continue for many hours 

 after the living matter has been removed from the surface 

 upon which it grew. In other cases, and we shall not be 

 surprised that this should be so in the higher animals, death 

 occurs the instant the conditions under which the living 

 matter exists are but slightly modified. In many instances 

 no movements can be seen, but the evidence of their occur- 

 rence is almost as decided as if they were visible, for we 

 discern certain results which can only be explained by the 

 occurrence of such movements as have been referred to. 



I have often tried to persuade the physicist, who has 

 so long prophesied the existence of molecular machinery in 

 living beings, to seek for it in the "colourless, structureless, 1 ' 

 germinal matter. But he contents himself with asserting 

 that such machinery exists, although he cannot see it or 

 make it evident to himself or others. 



Of New Centres Nuclei and Nucleoli. In many masses 

 of germinal matter a smaller spherical portion often ap- 

 pearing a mere point is observed, and in some cases 

 this divides before the division of the parent mass takes 

 places. This, however, is not necessary to the process, 

 for division takes place in cases in which no such bodies 

 are to be seen, and it frequently happens that one or more 

 of these smaller spots or spherical masses may appear in 

 its substance, after a portion of germinal matter has been 

 detached from the parent mass. These are to be regarded 



