PLATE 102. 
Hyalonema (Skianema) umbraculum LENDENFELD. 
Figures 1-8. 
1, 2.— Apical view of a large macramphidise; magnified 500; phot. Zeiss, apochr. 8, compe 
1, focussed higher; 2, focussed lower. 
3-6.— Small macramphidises; magnified 500; phot. Zeiss, apockt: 8, compens. oe. 12: 
3, 5, focussed high (on the uppermost teeth); 4, 6, focussed lower (on the shaft) (3 = 
7, 8— A large macramphidisc; magnified 500; phot. Zeiss, apochr. 8, compens. oc. 12: 
7, focussed high (on the uppermost teeth); 8, focussed lower (on the shaft). : 
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