HOLOTRICHA 



701 



Fig. 299. a, b, Spathidium spathula, X200 (Woodruff and Spencer); 

 c-e, Paraspathidium trichostomum (Noland) (c, X130; d, cytostomal re- 

 gion X400; e, portion of pellicle, X1000); f, Spathidioides sulcata, X260 

 (Brodsky); g, Enchelydium fusidens, X240 (Kahl); h, Homalozoon vermi- 

 culare, X80 (Stokes); i, Cr another idiuni taeniatum, X300 (Schewiakoff) ; j, 

 Penardiella crassa, X210 (Kahl); k, Perispria ovum, X665 (Dewey and 

 Kidder); 1, P. strephosoma, X280 (Kahl); m, Legendrea bellerophon, X190 

 (Penard). 



Genus Spathidioides Brodsky (Spathidiella Kahl). Somewhat 

 similar to Spathidium; but oral ridge highly flattened on ventral 

 side and conspicuously developed into a wart-like swelling on dorsal 

 side; this knob contains trichocysts; sapropelic. 



S. sulcata B. (Fig. 299, /). 65-85/* long; posterior end pointed, 



