PLATE 97. 



Hyalonema (Oonema) henshawi Lendenfeld. 

 Figures 1-36. 



1-5. — Superficial pinules; magnified 50; phot. Zeiss, apochr. 16, compens. oc. 2: 



1, 3-5, gastral pinules; 



2, a dermal pinule. 



6. — A canalar pinule; magnified 300; phot. Zeiss, apochr. 8, compens. oc. 12. 

 7-14. — Macramphidiscs; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6: 



7-12, side-views; 



13, 14, apical views. 

 15. — View of the specimen; natural size; phot. Zeiss, anastig. 480/412 mm. 

 16-28. — Micramphidiscs; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6: 



16-20, large micramphidiscs; 



21-28, small micramphidiscs. 

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



29, 30, gastral pinules; 



31, a dermal pinule. 



32. — Part of a gastral pore-sieve; magnified 20; phot. Zeiss, planar 20 mm. 



33, 34. — Parts of microhexactines; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 

 35, 36. — Microhexactines; magnified 200; phot. Zeiss, apochr. 8, compens. oc. 6. 



