PLATE 79. 
Hyalonema (Hyalonema) grandancora LENDENFELD. 
Figures 1-26. 
1, 2— Macramphidises; magnified 500: 
1, phot. Zeiss, apochr. 8, compens. oc. 12; 
2, phot. Zeiss, apochr. 8, compens. oc. 8. 
3-11.— Small micramphidises; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 
12.— View of the sponge; reduced 1: 0.85; phot. Zeiss, anastig. 480/412 mm. 
13-19.— Hexactine megascleres; magnified 30; phot. Zeiss, planar 20 mm. 
20.— Apical view of the lateral ray-cross of a dermal pinule; magnified 300; phot. Zeiss, apochr. 4, 
compens. oc. 6. 
21-23.— Microhexactines; magnified 500: 
21, phot. Zeiss, H. I. apochr. 2, compens. oc. 6; 
22, 23, phot. Zeiss, apochr. 4, compens. oc. 12. 
24, 25.— Large micramphidises; magnified 500: 
24, phot. Zeiss, apochr. 4, compens. oc. 12; 
25, phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 
26.— Part of a terminal anchor of a macramphidisc; magnified 500; phot. Zeiss, apochr. 8, compens. 
oc. 12. 
