MASTIGOPHORA, CHRYSOMONADINA 183 



in gelatinous matrix; apical growth resembles much higher algae; 

 multiphcation of individuals results in formation of pyramidal 

 forms with a flagellum, a chromatophore, and a leucosin mass; 

 cyst may show a wing-like rim; cold freshwater streams. 



H. foetidus Kirschner (Figs. 31, d-f; 88, e-g). OHve-green, 

 feathery tufts, 1-30 cm. long, develops an offensive odor; sticky 

 to touch; occasionally encrusted with calcium carbonate; in 

 running fresh water. 



Genus Chrysocapsa Pascher. In a spherical to ellipsoidal 

 gelatinous mass; cells spherical to ellipsoid; 1-2 chromatophores; 

 with or without stigma; freshwater. 



C. paludosa P. (Fig. 88, h, i). Spherical or elhpsoidal wdth cells 

 distributed without order; \\\i\i a stigma; 2 chromatophores; 

 swarmer pyriform with 2 flagella; cells l\^x long; colony up to 

 100/i in diameter. 



Genus Phaeosphaera West et West. In a simple or branching 

 cylindrical gelatinous mass; cells spherical with a single chroma- 

 tophore; fresh water. 



P. gelatinosa W. et W. (Fig. 88, j, k). Cells 14-17.5)u in diameter. 



References 



BtJTSCHLi, 0. 1883-1887 Mastigophora. In: 'Bromi' s Klassen und 



Ordnungen des Thierreichs. Vol. 1, part 2. 

 Calkins, G. N. 1926 The biology of the Protozoa. Philadelphia. 

 DoFLEiN, F. and E. Reichenow. 1929 Lehrbuch der Protozoen- 



kunde. Jena. 

 Kent, S. 1880-1882 A Manual of Infusoria. London. 

 Pascher, A. 1914 Flagellatae; Allgemeiner Teil. In: Die Silss- 



wasserfiora Deutschlands. Part 1, 

 Stein, F. 1878, 1883 Der Organismus der Infusionsthiere. 3 Abt. 



Der Organismus der Flagellate oder Geisselinfusorien. Parts 1 



and 2. Leipzig. 



Ahlstrom, E. H. 1937 Studies on variabiUty in the genus Dino- 



bryon (Mastigophora). Trans. Amer. Micr. Soc, Vol. 56. 

 Fritsch, F. E. 1935 The structure and re-production of the algae. 



Cambridge. 

 Pascher, A. 1913 Chrysomonadinae. In: Die Siisswasserflora 



Deutschlands. Part 2. 

 Smith, G. M. 1933 The freshwater algae 'of the United States. 



New York. 

 West, G. S. and F. E. Fritsch. 1927 A treatise on the British 



freshwater algae. Cambridge. 



