COLLECTING SALT-WATER SPECIMENS. 



269 



is, in practice, found to be sufficiently strong. It is about 18 inches 

 in length, and the opening is about 4 inches wide, the two sides 

 diverging outwards at a slight angle, and coming to a sharp edge. 



fig. 116. 

 YoMDg of Comalula, usually described as Pentacrinus JHuropceus,. Beroe. Actinia!, 

 closed and expanded specimens. CaryophiUea Smiihii. Spider crab. Velvet crab, 

 and Flustra. 



