HEXACTINELLIDA. 



PJ-ATK Ki. 



41 43 



P^ig- 1 — 24 Batkydorns laevi^ F. E. Sc/i., subspecies s fy'inosissiz/ius n. siibsp. 1 — 8, 10^ 11, J4 — 24 (A): 9, 12, 13 (B). 



Fig. 25 — 43 Stanrocalvptns ha7)iatus n. sp. 



Lendenfeld photographed. 



Phototype by Charles Bellmanii, Prague. 



