PLATE 95. 
Hyalonema (Oonema) densum LENDENFELD. 
Figures 1-20. 
1.— Radial section through the dermal membrane and the underlying part of the choanosome; magni- 
fied 30; phot. Zeiss, planar 20 mm. 
2.— Radial section through the gastral membrane and the underlying part of the choanosome; magni- 
fied 30; phot. Zeiss, planar 20 mm. 
3.— View of part of the gastral surface; magnified 8; phot. Zeiss, planar 50 mm. 
4.— View of the specimen; reduced 1: 0.89; phot. Zeiss, anastig. 480/412 mm. 
5-10.— Micramphidises; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6: 
5-8, large micramphidiscs; 
9, 10, small micramphidiscs. 
11, 12.— Apical views of the lateral rays of gastral pinules; magnified 300; phot. Zeiss, apochr. 8, 
compens. oc. 12. : 
13-16.— Side-views of superficial pinules; magnified 300: 
13, 14, gastral pinules; phot. Zeiss, apochr. 16, compens. oc. 12; 
15, a dermal pinule; phot. Zeiss, apochr.’8, compens. oc. 12; 
16, a gastral pinule; phot. Zeiss, apochr. 8, compens. oc. 12. 
17-20.— Superficial pinules; magnified 50; phot. Zeiss, apochr. 16, compens. oe. 2: 
17, 18, gastral pinules; 
19, 20, dermal pinules. 
