Plate 81. 

 1, 2, 6, 6. Araeosoma Owstoni Mortens, juv. 



1. Abactinal view of partly denuded specimen. 



2. Aetinal view of same. 



5. Abactinal view of partly denuded very young individual. 



6. Actiual view of same. 



3, 4. Arseosoma gracile A. Ag. and CI., q juv. 



3. Abactinal view of partly denuded specimen. 



4. Aetinal view of same. 



All figures natural size. 



