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PLATE 11. 



Caulophacus schulzei Wilson. 



Fig. 1 — specimen B. 



Figs. 2-6, 13-16 — specimen E. 

 Figs. 7-9, 11, 12 — specimen D. 

 Figs. 10, 17 — specimen C. 



1-12. — Side-views of normal pinnies; magnified 200; phot. Zeiss, apochr. 8, compcns. oc. 6: 

 1, a dermal pinule of specimen B; 

 2-6, pinnies of specimen E; 

 7, 8, gastral pinnies of specimen D; 



9, 11, 12, dermal pinnies of specimen D; 



10, a dermal pinule of specimen C. 



13. — Side-view of an abnormal pinule with hypertroph proximal ray of specimen E; magnified 200 



phot. Zeiss, apochr. 8, compens. oc. 6. 



14. — The proximal ray of a pinule of specimen E; magnified 600; phot. Zeiss, apochr. 4, compens. oc. 12 



15. 16. — The distal part of a distal pinule-ray of specimen E; magnified 600; phot. Zeiss, apochr. 4 



compens. oc. 12: 

 15, focussed higher; 16, focussed lower. 

 17. — Fart of a radial section of specimen C; eosin; magnified 30; phot. Zeiss, planar 20 mm.; 

 a, gastral pinule-fur; b, subgastral cavities; c, choanosome. 



