MICRO-ORGANISMS AND DISEASE [chap. 



only apparently branched, since the branches are threads 

 merely stuck on to other threads sideways at an acute angle. 

 A bacillus may be seen to stick to a thread and then to 



Fig 66. — Threads of Cladothrix Dichotoma highly magnified and 



STAINED WITH SpiLLER's PuRPLE. 



1. Threads of bacilli. 



2. Torula-forms. 



The sheath is everywhere well seen. 



grow out by continuous divisions into a long chain of 

 bacilli, thus forming, as it were, a side-branch. Some of 

 the threads are wavy and curved ; most of them are, how- 

 ever, straight. Zopf^ states to have observed that the 



^ Ziir Morphologic dcr Spallpflanzen, Leipzig, 1S82 ; see also 

 Cienkowski. 



