EXPLANATION OF PLATE LXVIIL 



Fig. L — Spicule;! of Plumarella Jilicoides, sp iiov. 

 ,, versluysi, sp. nov. 



Ainphilaphis plumacea, sp. nov. 

 Plumarella Icevis, sp. nov, 

 Mopsea elegans, sp. nov. 

 Plumarella thetis, sp. nov. 

 Caligorgia l(Bvis, S|>. nov. 

 Plumarella corruscans, sp. nov 

 Mopsella clavitjera, Kidlev. 



