MOLLUSC A. 



PLATE CCCLXXH. 



CLntdtina lepadifvrrrus. 



dona iniestmalis. 



■^ 



: 4^.. Ji-J& 



^k/^\u;<- J 



BotiyUus pofycydus. 



['/ki/Ii/suz nigra,. 



Cynthia momus. 



A.sasli/j, JV. S. Lister. 



Salpa, cristata,. 



