286 



PROTOZOOLOGY 



Genus Cladomonas Stein. Individuals are embedded in dichot- 

 omous dendritic gelatinous tubes which are united laterally; fresh 

 water. 



C . fruticulosa S. (Fig. 129, c). Oval; about 8/x long; colony up to 

 85m high. 



Genus Rhipidodendron Stein. Similar to Cladomonas, but tubes 

 are fused lengthwise ; fresh water. 



Fig. 129. a, Amphimonas globosa, X540 (Kent); b, Spongomonas uvella, 

 X440 (Stein); c, Cladomonas fruticulosa, X440 (Stein); d, e, Rhipidoden- 

 dron splendidum (d, a young colony, X440; e, a freeswimming individual, 

 X770) (Stein); f, Spiroynonas augusta, XlOOO (Kent); g, Diplomita soci- 

 alis, XlOOO (Kent); h, Streptonionas cordata, X890 (Lemmermann); i, 

 Dinomonas vorax, X800 (Kent). 



R. splendidum S. (Fig. 129, d, e). Oval; about 13^ long; flagella 

 about 2-3 times body length; fully grown colony 350|u high. 



Genus Spiromonas Perty. Elongate; without gelatinous covering; 

 spirally twisted; 2 flagella anterior; solitary; fresh water. 



*S. augusta (Dujardin) (Fig. 129,/). Spindle-form; about 10/x long; 

 stagnant water. 



Genus Diplomita Kent. With transparent lorica; body attached 

 to bottom of lorica by a retractile filamentous process; a rudimen- 

 tary stigma (?) ; fresh water. 



