HEXACTINELLIDA. 



PLATE 49. 



■ 3 



:4 



11 



11 



I 12 



13 



14 



4 



17 



16 



20 



. 18 



10 



19 



I 



23 



21 



22 



if ( 



Lendenfeld photographed. 



Fig. ] — 23 Hyalonema (Prioiuma) spij/osiim ii. sp. 



Phototype by Charles Bellmann, Prai^uc. 



