' PLATE 80. 
Hyalonema (Hyalonema) sp. 
Figures 1-16. Station 3684 (A. A. 17). 
1, 2.— Parts of two macramphidises; magnified 500; phot. Zeiss, apochr. 8, compens. oc. 6. 
3.— A micramphidise; magnified 500; phot. Zeiss, apochr. 8, compens. oc. 12. 
4.— A microhexactine; magnified 500; phot. Zeiss, apochr. 8, compens. oc. 12. 
5-9.— Macramphidises; magnified 50; phot. Zeiss, apochr. 16, compens. oc. 2. 
10.— The end-part of an anchor-tooth of a macramphidisc; magnified 500; phot. Zeiss, apochr. 8, 
compens. oc. 12. 
11, 12.— An anchor of a stalk-spicule; magnified 200; phot. Zeiss, apochr. 8, compens. oc. 6: 
11, focussed lower (the shaft in focus); 12, focussed higher (the end-parts of the uppermost anchor- 
teeth in focus). 
13.— An acanthophore; magnified 200; phot. Zeiss, apochr. 8, compens. oc. 6. 
14.— A pentactine pinule with short distal ray; magnified 300; phot. Zeiss, apochr. 8, compens. oc. 12. 
15.— Part of a group of diactine pinules in situ m a section; magnified 300; phot. Zeiss, apochr. 8, 
compens. oc. 12. 
16.— A pentactine pinule with long distal ray; magnified 300; phot. Zeiss, apochr. 8, compens. oc. 12, 
z 
= 
