556 



PROTOZOOLOGY 



S. uncinata (Schultze). Up to 200yu long; in gastro vascular cavity 

 of Planaria ulvae, Gunda segmentata and Proceros sp. 



Genus Lachmannella Cepede. With a chitinous hook at anterior 

 end; elongate pyriform, anterior end curved; ciliation longitudinal 

 and dense. One species. 



Fig. 265. a, Protanoplophrya stomata, XlOO (Miyashita); b, Opalinopsis 

 sepiolae, X670 (Gonder); c, d, Chromidina elegans (c, X330 (Chatton and 

 Lwoff); d, X220 (Wermel)); e, Haptophrya michiganensis, X35 (Wood- 

 head) ; f, Lachmannella recur va, X 100 (Cepede) ; g, Sieboldiellina planaria- 

 rum, XlOO (Cepede); h, i, Intoshellina poljanskyi (h, X300; i, attaching 

 organella seen from ventral side, X870) (Cheissin); j, k, Monodontophrya 

 kijenskiji (j, XlOO; k, anterior end in profile, X870) (Cheissin). 



L. recurva (Claparede and Lachmann) (Fig. 265,/). In the gastro- 

 vascular cavity of Planaria limacina; about 200/x long. 



