PLATE 91. 



Hyalonema (Oonema) sequoia Lendenfeld. 

 Figures 1-6. 



, — Parts of large macramphidiscs; magnified 500: 

 1-4, phot. Zeiss, apochr. 8, compens. oc. 12; 

 5, 6, pilot'. Zeiss, apochr. 8, compens. oc. 6; 



1-3, parts of terminal anchors, showing irregular teeth; 



4, a regular terminal anchor; 



5, 6, the shaft and half of the terminal anchors of two regular ones. 



