DESCRIPTION 01- SPEl IKS. 



, dark granules are to be 

 seen, which consist of sulphur. 

 The micro-organisms occur on the 

 surface of marshes, or on water in 

 which algae are rotting. They 

 form a rose-red, blood-red, violet- 

 red, or violet-brown scum ; and 

 .sometimes in such quantity that 



Cladothrix dichotoma (Cohn). 

 Threads resembling those of lep- 

 tothrix ; slender, colourless, not 

 articulated, straight or slightly 

 undulated, and in places twisted 

 in irregular spirals with pseudo- 

 branchings. The development can 

 be traced from the cocci to rods and 



Kit;. i'i:>.-HK..i;iATOA ALBA. 







whole marshes and ponds may be 

 coloured blood-red by them. 



Spirillum sanguineum, 

 violaceum,mona^vin.-uun<H>kenii. 



and Rhabdomonas rosea are 

 <ibly phase-forms of Beggiatoi 

 i oseo-persicina. 



jreftds; imniou 



x .M 



threads. The latter are at the 

 beginning simple threads, wni 

 were formerly described as Lepto 

 if coloured 



mu.iv.j.Kition with imn. 



thrix ' 



false branches by single rod. turning 



