THE MEDUSiE AND CTENOPHORA. 119 



Pleurobra cliia pomiforviis . 

 *' Very rare" (Byerley). Has not yet been obtained by 

 the L. M. B. C. 



Order.— EUEYSTOMATA. 

 Family. — Beroid^. 



Beroe ovatus, Lam. 

 " Irregular in the time of its appearance, but sometimes 

 as early as Cydippe pileus'' (Byerley). Has not yet been 

 obtained by the L. M. B. C. 



Order.— LOBATA. 



Family. — Mnemiid^ . 



Bolina hihernica. 

 This species (= Alcinoe vermiformis, Cuvier) has been 

 found twice by Mr. Price at Birkenhead. 



