PLATE 104. 



Hyalonema (Thallonema) geminatum Lendbnfeld. 

 Figures 1-14. 



1-4. — Parts of anchors of large geminate macramphidiscs; magnified 500; phot. Zeiss, apochr. 8, 

 compens. oc. 12. 



5. — A large macramphidisc with the teeth of one anchor geminate; magnified 500; phot. Zeiss, apochr. 



8, compens. oc. 12. 



6, 7. — A simple large macramphidisc; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6: 



6, focussed high (on the uppermost teeth); 7, focussed lower (on the shaft). 



8. — A geminate large macramphidisc; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6. 



9, 10. — Small macramphidiscs; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6: 



9, apical view; 



10, side view. 



11, 12. — A large geminate macramphidisc; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6: 



11, focussed high (on the uppermost teeth); 12, focussed lower (on the shaft). 



13, 14. — A small macramphidisc; magnified 500; phot. Zeiss, apochr. 8, compens. oc. 12: 

 13, focussed high (on the uppermost teeth) ; 14, focussed lower (on the shaft). 



