PLATE 52. 
Hyalonema (Phialonema) pateriferum Wi.son. 
Figs. 1-14, 16, 21-29 — form D. 
Figs. 15, 17-19 —form F. 
Fig. 20 —form C. 
1, 2.— Microhexactines of form D; magnified 500; phot. Zeiss, apochr. 4, compens. oc. 12. 
3-10.— Macramphidises of form D; magnified 500: 
3-9, phot. Zeiss, apochr. 4, compens. oc. 12; U 
10, phot. Zeiss, apochr. 4, compens. oc. 6; 
3, 4, 9, 10, large macramphidises; 
5-8, small macramphidises. 
11-14.— Ordinary pentactine pinules of form D; magnified 300; phot. Zeiss, apochr. 4, compens. oc. 6. 
15.— A pentactine pinule with long distal ray of form F; magnified 300; phot. Zeiss, apochr. 4, compens. 
oc. 6. 
16.— A diactine pinule of form D; magnified 300; phot. Zeiss, apochr. 8, compens. oc. 12. 
17-19.— Acanthophores of form F; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6: 
17, a diactine; 
18, a pentactine; 
19, a triactine. 
20.— View of the specimen of form C; natural size; phot. Zeiss, anastig. 480/412 mm. 
" 21.— View of the specimen of form D; reduced 1: 0.84; phot. Zeiss, anastig. 480/412 mm. 
22, 23.— Parts of radial sections through,superficial portions of the marginal region of form D; magnified 
30; phot. Zeiss, planar 20 mm.: 
22, part of an unstained section; 
23, part of a section stained with magenta. 
24-29.— Micramphidises of form D; magnified 500; phot. Zeiss, apochr. 4, compens. oc. 12: 
24-26, small micramphidises; 
27-29, large micramphidiscs. 
