NOTES ON JAPANESE PROTOZOA. 



541 



Explanation of Figures. 

 PLATE VIII. 



Fig. I, Lecquereusia spiralis Ehrenberg ; x 272. From Lake Hakone. 

 Fig. 2, Lecquereusia spiralis Ehrenberg 5 x 257. From Lake Hakone. 

 Fig. 3, Lecqueretisia spiralis Ehrenberg ; x 272. From Lake Hakone. 



Variations of the species common in Japan. 



The aperature is directed almost straight. 

 Fig. 4, Lecqueretisia modesta Rhumblcr ; x 225. From Lake Chuzenji. 

 Fig. 5, Difflugia bacillariarum Perty ; x 225. From Lake Hakone. 

 Fig. 6, Difflugin elegans Penard ; x 195. 



Very common. Individuals observed ranged from 60-194/i in 

 length. 



Fig. 7, Qiiadridella symmetrica var. curvata Wailes ; x 427. 



Near the aperture the plates become small and irregular. 

 Rarely observed. From Mt. Kokkozan. 

 Fig. 8, Nebela hippocrepis Leidy 5x198. 



Broad view of a shell. From Mt. Rokkozan. 

 Fig. 9, Nebela hippocrepis Leidy 1x198. Narrow view of same. 

 Fig. IO, Nebela triangulata Lang 5x325. 



Broad view of a shell. From Lake Hakone. 

 Fig. 11, Nebela triangulata Lang ; x 378. Fr mi Lake Hakone. 

 Fig. 12, Nebela triangulata Lang 5x354. From Lake Hakone. 

 Fig. 13, Nebela triangulata Lang 5x315. From Lake Hakone. 

 Fig. 14, Nebela triang?/lala Lang 5x325. Narrow view of a shell. 

 From Lake Hakone. 



Variation in the shape of the fundus and in the arrangement 

 of the plates shown in these figures. 

 Fig. I 5, Campascus dentatus, sp. nov. ; X 370. 



Broad view of a shell with the posterior border of the fundus 



