PLATE 2. 



Erylus sollasii Lendenfeld. 

 Figures 1-26. 



1, 2. — A large acanthtylastcr of a large dark specimen from South Molokai (race II); magnified 1800; 



u. V. phot. Zeiss, q. moiiochr. 1.7, q. oc. 10: 

 1, focused higher; 2, focused lower. 

 3, 4. — Group of acanthtylasters from a centrifuge-.spicule preparation; magnified 540; u. v. phot. Zeiss, 



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



3, of a large whitish specimen from South Molokai (race I, form C); 



4, of a large dark specimen from South Molokai (race II). 



5-7. — The central part of an aspidaster of a large dark specimen from South Molokai (race II); mag- 

 nified 1800; u. V. phot. Zeiss, q. monochr. 1.7, q. oc. 10: 



5, focused high (on the upper surface) ; 6, focused intermediate; 7, focused low (on the centrum). 



8, 9. — A large acanthtylastcr of a large dark specimen from South Molokai (race II); magnified 1800; 

 u. V. phot. Zeiss, q. monochr. 1.7, q. oc. 10: 

 8, focused higher; 9, focused lower. 

 10, 11. — A small acanthtylaster of a large dark specimen from South Molokai (race II) ; magnified 1800; 

 u. V. phot. Zeiss, q. monochr. 1.7, q. oc. 10: 

 10, focused lower; 11, focused higher. 

 12-15. — Aspidasters; magnified 540; u. v. phot. Zeiss, q. monochr. 1.7, q. oc. 10: 



12, somewhat irregular adult aspidaster, of a large whitish specimen from South Molokai (race I, 

 form C) ; 



13, regular, oval adult aspidaster, of a large dark specimen from South Molokai (race II); 



14, very young aspidaster composed of radiating rays, of a large dark specimen from South Molo- 

 kai (race II) ; 



15, elongate, young, perfectly smooth aspidaster, of a large dark specimen from South Molokai 

 (race II). 



16. — Group of isoactine microrhabds, of a large dark specimen from South Molokai (race II) ; magnified 



540; u. V. phot. Zeiss, q. monochr. 6, q. oc. 10. 



17. — Isoactine raicrorhabd, of a large whitish specimen from South Molokai (race I, form C); magni- 



fied 540; u. V. phot. Zeiss, q. monochr. 6, q. oc. 10. 



18. — Isoactine microrhabd, of a large dark sj)ecimen from South Molokai (race II); magnified 1800; 



u. V. phot. Zeiss, q. monochr. 1.7, q. oc. 10. 

 19-26. — Aspidasters; magnified 300; phot. Zeiss, apochr. 4, compens. oc. 0: 



19, young aspidaster, of a small, partly light, partly dark, specimen from South Molokai (race I, 

 form A); 



20, young aspidaster, of a large whitish specimen from South Molokai (race I, form C) ; 



21, young aspidaster, of a middle-sized light-coloured specimen from northeast Hawaii (race I, 

 form D) ; 



22, adult, lozenge-shaped aspidaster, of a small, partly light, partly dark, specimen from South 



Molokai (race I, form A); 



23, adult, oval aspidaster, of a middle-sized fight-coloured specimen from northeast Hawaii (race I, 

 form D) ; 



24, adult, irregular aspidaster, of a small, partly light, partly dark, specimen from South Molokai 

 (race I, form A) ; 



25, adult, irregular asjndaster, of a large whitish specimen from South Molokai (race I, form C); 



26, adult, broad oval aspidaster, of a middle-sized light-coloured specimen from northeast Hawaii 

 (race I, form D). 



