PLATE 37. 
Hyalonema (Hyalonema) obtusum gracilis LENDENFELD. 
Figures 1-22. 
1—5.— Small micramphidises; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 
6-11.— Large micramphidises; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 
12, 13.— A small macramphidise; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6: 
12, focussed higher; 13, focussed lower. 
14-19.— Small macramphidises; magnified 500: 
14, 16, 18, 19, phot. Zeiss, H. I. apochr. 1, compens. oc. 6; 
15, 17, phot. Zeiss, apochr. 4, compens. oc. 12. 
20.— A large macramphidise; magnified 500; phot. Zeiss, apochr. 4, compens. oc. 12. 
21, 22.— A large macramphidise; magnified 500: 
21, u. v. phot. Zeiss, q. monochr. 6, q. oc. 10, and focussed higher; 
22, phot. Zeiss, apochr. 4, compens. oc. 12, and focussed lower. 
