Erylus sollasii Lendbnfeld. 



Figures 1-28. Race III. Large dark specimen from northeast Hawaii. 



1. — yide viewof a triaene with branched clades, and a reduced, cylindrical, terminally rounded rhabd- 



ome; magnified 100; phot. Zeiss, apochry 16, compens. oc. 6. 

 2-6. — Apical ^•iew.s of cladomes of triaenes; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6: 



2-4, with all clades branched dichotomously or in a more complicated manner; 



5, 6, with only two clades thus branched and the tliird simple. 

 7, 8. — Parts of large acanthtj'lasters; magnified 1800; u. v. phot. Zeiss, q. monochr. 1.7, q. oc. 10. 

 9-11. — Aspidasters; magnified 350; phot. Zeiss, apochr. 4, compens. oc. 6: 



9, a perfectly adult one; 



10, a nearly adult one ; 



11, a young, still smooth one. 



12. — Side view of a triaene with branched clades; magnified 100; pliot. Zeiss, apochr. 16, compens. 



oc. 6. 

 13. — Two isoaetine microrhabds; magnified 300; phot. Zeiss, apochr. 4, compens. oc. 6. 

 14, 1,5. — Two isoaetine microrhabds; magnified 540; u. v. phot. Zeiss, q. monochr. 6, q. oc. 10. 

 16, 17. — Aspidasters; magnified 540; u. v. phot. Zeiss, q. monochr. 6, q. oc. 10: 



16, a young one; 



17, an adult one. 



IS. — Promonacne-like style, abruptly bent near the pointed eml; magnified 100; phot. Zeiss, apochr. 



16, compens. oc. 6. 

 19-22. — Rliabd megascleres; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6: 

 19, 20, large amphioxes; 



21, style; 



22, small amphiox. 



23, 24. — Side views of triaenes; magnified 100; phot. Zei.ss, apochr. 16, compens. oc. 6: 



23, with three-branched clades; 



24, with simple and two-branched clades. 



25,26. — Groups of microscleres from centrifuge-spicule preparations; magnified 540; u. v. pliot. Zeiss, 

 q. monochr. 6, q. oc. 10: 



a, microrhabd; b, small, most ]irobal>!y foreign, spluieraster; c, large acanlhtylasters; d, 

 very young aspiilasters. 

 27. — View of the largest specimen; natural size; phot. Zeiss, anastig. 480/412 ram. 

 28. — Part of the surface of an adult aspidaster; magnified 1800; u. v. phot. Zeiss, q. monochr. 1.7, 

 q. oc. 10. 



Erylus oxyaster Lendenfeld. 



i-'igures 29-35. 



29-35. — Microscleres and groups of such from centrifuge-spicule preparations: magnified 600; u. v. 

 phot. Zeiss, ti. monochr. 6, q. oc. 10: 



a, (Figs. 29-32, 35) microrhabds ; 



b, (Fig. 35) large diactine oxyaster; 



c, (Fig. 34) large triactine oxyaster with one ray reduced; 



d, (Figs. 32, 33, 35) large oxyasters with three or more fully developed rays; 



e, (Fig. 32) small oxyaster with nimierous rays. 



