\ 



142 



THE BEGINNINGS OF LIFE. 



colourless or coloured 



They may be almost naked 



masses of protoplasm, or they may present a bounding 

 membrane of various degrees of thickness. They may 

 be nucleolated or non-nucleolated • provided with vacu- 

 oles or devoid of vacuoles j so that oftentimes they 

 exist as mere minute spherical or elongated vesicles 



c 



e 



f^ 





^^"10 



J 



Fig. 48. 

 Forms illiTstrating intercliangeability of Torula and Bacteria, (X 1670.) 



a Minute Torulce growing in jelly after the fashion of Bacteria, from 

 hay infusion. 



h. Bacteria with Torula~\<k^ forms, from beef infusion. 



c. Homogeneous Bacteria, more or less like TorulcB in form. 



d. Fungus-spores developing in a homogeneous film— many of them in 



their early stages having the shape of Bacteria— {xom the surface of 

 an old hay infusion. 



r 

 J 



composed of a minutely-granular protoplasm slightly 

 condensed at the surface* In this condition no dif- 



^ Either brown or green. All transitions may be seen from the 

 colourless condition to the brown tint which is so frequently assumed by 

 fungus-spores (p. 233), and similarly all transitions may be seen from the 

 colourless to the green tint (vol. i. pp. 364, 450).- The new-born specks 

 of matter which become green tend, however, to develop into Algse 

 rather than Fungi. 



? .,tiiote mas 



ssesk 



I; is impossible fi 



:;( one rather thi 

 ist itself V 



\ in others T 



^ ten known 



) 



^ 



that tl 



or neu 



'?"tl)' observed 

 1 '^ themselv 



'« te 



most 



i\ 



put 



^S the s 

 '" '"^paired 



'?^v * '• p. I 





