PLATE 85. 



Hyalonema (Oonema) bianchoratum pinulina Lendenfeld. 



Figs. 1, 4-7 — specimen b. 

 Figs. 2, 3, 8 — specimen a. 



1. — A large macramphidisc from the choanosome of specimen b; magnified 500; phot. Zeiss, apochr. 

 8, conipens. oc. 8. 



2-7. — Large macramphidiscs from the choanosome; magnified 100; phot. Zeiss, apochr. IG, compens. 

 oc. 6: 

 2, 3, of specimen a; 

 4-7, of specimen b. 



8. — An abnormal small macramphidisc from the choano.some of specimen a; magnified 500; phot. 

 Zeiss, apochr. 8, compens. oc. 12. 



Hyalonema (Oonema) sequoia Lendenfeld. 

 Figures 9-2 L 



9-19. — Acanthophores; magnified 200: 



9-14, 16-19, short-rayed di- to pentactines; phot. Zeiss, apochr. 8, compens. oc. 6; 



15, a long-rayed diactine; phot. Zeiss, apochr. 8, compens. oc. 4. 

 20, 21. — Hexactine megascleres; magnified 20; phot. Zeiss, planar 20 mm. 



