SUCTORIA 



631 



Fig. 286. a, Rhabdophrya trimorpha, X650 (Collin); b, Staurophrya 

 elegans, X300 (Zacharias); c, Ophryodendron porcellanum, X330 

 (Collin); d, 0. belgicum, X270 (Fraipont); e, Dendrocometes paradoxus, 

 X270 (Wrzesnowski); f, g, Podophrya fixa (f, X600 (Wailes); g, X330 

 (Collin)); h, P. gracilis, XlOOO (Collin); i, P. elongata, X240 (Wailes). 



Genus Staurophrya Zacharias. Rounded body drawn out into 

 6 processes. 



S. elegans Z. (Fig. 286, h). Tentacles not capitate; macronucleus 

 round; 1-2 contractile vacuoles; about 50/i in diameter; in fresh 

 water. 



