88 



fresh water for about five hours and afterwards hung up to dry, 

 at the expiration of three days they were found to be still alive, 

 and many of them had ejected the ova through the valves at the 

 summit. The Dichelaspifi oi-tliogonia, Darwin, was like five or six 

 other clusters previously obtained, attached to the axis of a species 

 of Virgularia, wliich seems to be the favourite habitat for this 

 rare species. 



