148 SULPHUR BACTERIA 



the cell is filled with the lime and the stainable granules, at 

 other times the cell is filled with sulphur globules (Fig. 30c). 





f4>- - ° 



r; ^f% ' ^ 



% 







sik^^^ 



'^\ <^ liH^ 



"mm 



^t 



• «. 



Fig. 31. — Photomicrograph of Chromatiiini Linsbaueri (Gicklhorn). x 960. 

 (Photograph taken by Mr. H. W. Thorp, B.Sc.) The cells are almost com- 

 pletely filled with sulphur globules. 



The intimate structure of the cell is described on pages 186 

 et seq. Gicklhorn, who was the first to describe this species. 



