Fig. 99. Branch ot 

 Virgularia (enlarged). 



Fig. 98. Loose-winged 

 Virgularia, Virgularia 

 rnirabilis (Lamarck). 



Fig. 101. Veretillum 

 cynomorium 

 (Lamarck). 



Fig. ioo. Umbellularia 

 grenlandica 

 (Lamarck). 



