HEXACTINELLIUA. 



rLATE 103. 



Lcndenfcld photOfirapheLl. 



Fig, 1 — 36 Hyalonema (Sklanema) umbracitluju )i. sp. 

 Fig. 37 — 62 Hyaloncna ( Thalloiicma) geniinahim n, sp^ 



Phototype by Cliarles Bellmann. Prague, 



