SUCTORIA 



697 



Genus Rhabdophrya Chatton and Collin. Elongate, rod-form; with 

 short peduncle, not branched; tentacles distributed over entire sur- 

 face; macronucleus ellipsoid; micronucleus small; 2-3 contractile 

 vacuoles; salt or brackish water. Several species. 



Fig. 327. a, Dendrosoma radians, X35 (Kent); b, Trichophrya episty- 

 lidis, X250 (Stokes); c, T. salparum, Xl70 (Collin); d, T. columhiae, 

 X200 (Wailes); e, Astrophrya arenaria, X65 (Awerinzew); f, Lernaeo- 

 phrya capitata, X35 (P6rez); g, Dendrosomides paguri, X200 (Collin). 



R. trimorpha C. and C. (Fig. 328, a). Up to 150^ long; on the cope- 

 pod, Cleiodes longicaudaius. 



Genus Staurophrya Zacharias. Rounded body drawn out into 6 

 processes. 



S. elegans Z. (Fig. 328, b). Tentacles not capitate; macronucleus 



