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. 



tig. 116. 



Young of Comatula, usually described as Pentacrinus Europceus, Beroe. Actinia;, 

 closed and expanded specimens. Caryophillea Smithii. . Spider crab, Velvet crab, 

 and Flustra. 



