PLATE 99. 



Hyalonema (Skianema) aequatoriale Lendenfeld. 

 Figures 1-37. 



1, 2. — Apical view of a large macramphidisc ; magnified 500; phot. Zeiss, apochr. 8, compens. oc. 12: 



1, focussed higher; 2, focussed lower. 

 3-10. — Microhexactines; magnified 200; phot. Zeiss, apochr. 8, compens. oc. 6. 

 11-16. — Large micramphidiscs; magnified 500; phot. Zeiss, H. L apochr. 2, compens. oc. 6: 



11-13, focussed high (on the uppermost teeth); 14—16, focussed lower (on the shaft) (11 =14; 

 12 = 15; 13 = 16). 



17. — View of the specimen; reduced to 1: 0.9; phot. Zeiss, anastig. 480/412 mm. 



18. — A middle-sized, somewhat irregular macramphidisc; magnified 500; phot. Zeiss, apochr. 8, com- 



pens. oc. 12. 



19. 20. — A small irregular macramphidisc-;- magnified 500; phot. Zeiss, apochr. 8, compens. oc. 12: 



19, focussed higher; 20, focussed lower. 

 21-24. — Small micramphidiscs; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 

 25-28. — Gastral superficial pinules; magnified 300; phot. Zeiss, apochr. 8, compens. oc. 12. 

 29-31. — Dermal superficial pinules; magnified 300; phot. Zeiss, apochr. 8, compens. oc. 12. 

 32-35. — Parts of microhexactines; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 



36. — Apical view of the lateral ray-cross of a gastral superficial pinule; magnified 300; phot. Zeiss, 



apochr. 8, compens. oc. 12. 



37. — Part of a terminal anchor (two teeth) of a large macramphidisc; magnified 500; phot. Zeiss, apochr. 



8, compens. oc. 12. 



