PLATE 59. 
Hyalonema (Prionema) fimbriatum LenpENFELD. 
Figures Gs 
ay 
1-3.— Three macramphidiscs with the shaft in focus; magnified 500 ; phot. Zeiss, apochr. 8, compens 
oc. 6. 
4—6.— Three anchor-heads of macramphidiscs, with the uppermost teeth in focus; magnified 500: 
4, an anchor with teeth terminating with two lobes; phot. Zeiss, apochr. 4, compens. oc. 12; 
5, an anchor with normal teeth; phot. Zeiss, apochr. 8, compens. oc. 6; 
6, an anchor with the ends of some of the teeth bent towards one side; phot. Zeiss, apochr. 8, com- 
pens. oc. 6. 
(Figs. 5 and 6 represent the two anchors of the same amphidisc). ¥ 
or 
