PLATE 57. 
Hyalonema (Prionema) azuerone LENDENFELD. 
Figures 1-23. 
1—5.— Macramphidises and parts of such; magnified 500; phot. Zeiss, apochr. 8, compens. oc. 12: 
* 1, a large macramphidise with broad anchors; focussed lower (the shaft in focus); 
2, the broad terminal anchor represented in fig. 3, focussed high (the uppermost teeth in focus) ; 
3, the broad terminal anchor represented in fig. 2, focussed low (the shaft in focus); 
4, one (the upper) terminal anchor of the macramphidise represented in fig. 5, focussed higher (the 
uppermost teeth in focus); 
5, a large macramphidise with narrow anchors, focussed lower (the shaft in focus). 
6-8.— Mesamphidises; magnified 500: 
6, 7, medium mesamphidises; phot. Zeiss, apochr. 4, compens. oc. 12; 
8, large mesamphidisc; phot. Zeiss, apochr. 8, compens. oc. 12. 
9-12.— Stout-shafted micramphidises; magnified 500; phot. Zeiss, apochr. 4, compens. oc. 12: 
9, a large one; 
10-12, small ones. 
13-17.— Slender-shafted micramphidises; magnified 500; phot. Zeiss, H. I. apochr. 2, compens. oc. 6. 
18.— The central part of a microhexactine; magnified 2000; u. v. phot. Zeiss, q. monochr. 1.7, q.oc. 10, 
19-22.— Microhexactines; magnified 500; phot. Zeiss, apochr. 4, compens. oe. 12. 
23.— The centrum and one ray of a microhexactine; magnified 2000; u. v. phot. Zeiss, q. monochr. 
AG Cle OO, 10) 
