690 



PROTOZOOLOGY 

 Tribe 2 Loricata Kahl 



Peristomal margin not connected with lorica; body attached only at 

 posterior end, and extends, out of lorica . . Family 1 Vaginicolidae 



Peristomal margin connected with inner margin of aperture of lorica; 



stalked disk only extends out of lorica 



Family 2 Lagenophryidae (p. 691) 



Fig. 325. a, Vaginicola leptosoma, Xl30 (Stokes); b, V. anmilata, 

 Xl70 (Stokes); c, Cothurnia canthocampti, X150 (Stokes); d, C. an- 

 nulata, X340 (Stokes); e, Thuricola folliculata, XllO (Kahl); f, Thuri- 

 colopsis kellicottiana, XHO (Stokes); g, Caulicola valvata, X760 (Stokes); 

 h, i, Pyxicola affinis, X170 (Kent); j, P. socialis, Xl70 (Kent); k, Platy- 

 cola longicollis, X200 (De Fromentel); I, Lagenophrys vaginicola, X380 

 (Penard); m, L. patina, X150 (Stokes); n, L. labiata, X340 (Penard). 



Family 1 Vaginicolidae Kent 



Genus Vaginicola Lamarck. Lorica without stalk, attached to 

 substratum directly with its posterior end; body elongate and cylin- 

 drical; fresh or salt water. Numerous species. 



V. leptosoma Stokes (Fig. 325, a). Lorica about 160/x high; when 

 extended, about 1/3 of body protruding; on algae in pond water. 



V. annulata S. (Fig. 325, h). Lorica about 120;u high; below middle, 

 a ring-like elevation; anterior 1/3 of body protruding, when ex- 

 tended; pond water. 



