550 



THE BEGINNINGS OF LIFE. 



maining portions take on the forms of Actinophrys, 

 Peranemata, or Arcellinse. In other cases still, where 

 the dying Tardigrade is perhaps placed under more 

 favourable conditions, its whole internal substance, 

 after a process of fusion and molecular elaboration, 

 divides into large germ-masses (Fig. 96, # and these 



FIG. 96. 

 Homogenetic Pangenesis in Tardigrades. (Gros.) 



a. Seven large germs, into which the total internal substance of the 



parent has become resolved each of them being capable of de- 

 veloping into a Tardigrade. 



b. A variety of the same process, in which a very large mass rapidly 



develops into a very large embryo. Other embryos seen in a much 

 earlier stage. 



directly develop into young Tardigrades, which, in 

 about ten days, show their first independent move- 

 ments. The number of young thus produced is very 

 variable. There may be as many as twelve or fourteen 

 formed within the same parent, though at other times 

 the number is smaller^ and one or two of the embryos 



