594 



PROTOZOOLOGY 

 Family 1 Marynidae Poche 



Genus Maryna Gruber, Peristome makes a complete circle, thus 

 the cone is entirely separated from anterior edge of body; cytostome 

 left ventral, elongate slit; ridge also with a slit; gelatinous lorica 

 dichotomous. 



Fig, 281. a, b, Maryna socialis (a, X40; b, Xl60) (Gruber); c, Mydero- 

 thrix erlangeri, X310 (Kahl); d, Trichopelma sphagnetorum, X570 (Kahl); 

 e, f, Pseudomicrothorax agilis (e, X340; f, X670) (Kahl); g, Drepanomonas 

 dentata, X540 (Penard); h, Microthorax sinmlans, X620 (Kahl); i, Trim- 

 yema compressiim, X410 (Lackey); j, Spirozona caudata, X370 (Kahl); 

 k, Trichospira inversa, X360 (Kahl). 



M. socialis G. (Fig. 281, a, h). About 150/i long; in infusion made 

 from long-dried mud. 



Genus Mycterothrix Lauterborn {Trichorhynchus Balbiani). An- 

 terior cone continuous on dorsal side with body ridge; hence free edge 

 of body only on ventral side; no ventral slit. 



