SMITHSONIAN REPORT, 1956. — BAYER AND HARRY-ROFEN 



i 



1. One of the authors preparing to descend in a self-contained underwater breathing 

 apparatus (aqualung). 



2. A dark green feather-star (Comanthus) of the species that is the host of the commensal 

 clingnsh. The small urnlike objects to the left of it are colonies of an ascidian, Didemnum 



lgfis 

 ternatanum. 



