PLATE 38. 
Hyalonema (Hyalonema) obtusum gracilis LenpENFELD. 
Figures 1-8. 
1-3.— A small micramphidise; magnified 2000; u. v. phot. Zeiss, q. monochr. 1.7, q. oc. 10: 
. 1, focussed high; 2, focussed lower; 3, focussed still lower. 
4, 5.— The central part of the shaft of a small macramphidise; magnified 2000; u. v. phot. Zeiss, q. — 
monochr. 1.7, q. oc. 10: ; 
4, focussed lower; 5, focussed higher. = 
6.— Part of the tooth-verticil of a small macramphidise, focussed high to show the two uppermost 
anchor-teeth: magnified 2000; u. v. phot. Zeiss, q. monochr. 1.7, q. oc. 10. _ 
7, 8— Part of the tooth-verticil of the small macramphidise, the central part of the shaft of which i HS} 
shown in figs. 4 and 5; magnified 2000; u. v. phot. Zeiss, q. monochr. 1.7, q. oc. 10: 
7, focussed higher; 8, focussed lower. 
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