PLATE 60. 



Hyalonema (Prionema) fimbriatum Lendenfeld. 

 Figures 1-34. 



I, 2. — Anchors of largest fimbriate amphidiscs with the upper teeth in focus; magnified 500; phot. 



Zeiss, H. 1. apoclir. 2, compens. oc. 6 (fig. 1 is the upper of the two anchors of the amphidisc 

 represented in fig. 3, focussed higher). 

 3-6. — Largest fimbriate amphidiscs with the sliaft in focus; magnified 500; phot. Zeiss, apochr. 4, 

 compens. oc. 6. 



7, 8. — A large fimbriate amphidisc; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6: 



.7, focussed higher, on the uppermost teeth; 8, focussed lower, on the shaft. 

 9, 10. — A large fimbriate amphidisc; magnified 500; phot. Zeiss, H. L apochr. 2, compens. oc. 6: 

 9, focussed higher, on the uppermost teeth; 10, focussed lower, on the shaft. 



II, 12. — Large fimbriate amphidiscs; magnified 5000; phot. Zeiss, H. L apochr. 2, compens. oc. 6. 

 13, 14. — Small fimbriate amphidiscs; magnified 500; phot. Zeiss, H. L apochr. 2, compens. oc. 6. 



15. — A smallest fimbriate amphidisc; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 



16, 17. — A micramphidisc; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6: 



16, focussed higher; 17, focussed lower. 

 18-23. — Micramphidiscs; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 



24. — Group of largest fimbriate amphidiscs of the subgastral zone in situ in a section; magnified 100; 



phot. Zeiss, apochr. 16, compens. oc. 6. 



25. — Group of microhexactines in a centrifuge prepai'ation; magnified 100; phot. Zei.ss, apochr. 16, 



compens. oc. 6. 



26-30. — Microhexactines; magnified 500; phot. Zeiss, H. L apochr. 2, compens. oc. 6. 

 31. — A lateral ray of a micropentactine; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 

 32-34. — The lateral ray-crosses of micropentac tines; magnified 500; phot. Zeiss, H. 1. apochr. 2, 

 compens. oc. 6. 



