EXPLANATION OF PLATE XLII. 



Yia 1 —.Sahmtcis oligopora, sp. iiov. Photograph of the holo- 

 ° type from Oyster -Bay, Tasmania, 20-40 fathoms. 



Abactinal view. Natural size. 



Eig. 2. — Actinal view of same specimen as Fig. 1. 



