NUDIBRANCHIATA OF THE L.M.B.C. DISTKICT. 159 



Eolis. 

 A. Shanny Tank : — 



Eolis 1. — {Gor(/j)]iella rirfilmmcJuaUs) . — Tried and at once re- 

 jected by three fish in rapid succession, then 

 seized by the large shanny and carried behind the 

 rock-work ; immediately numerous red cerata 

 were seen scattered through the water in that 

 neighbourhood, show^ing that the Eolis had been 

 forcibly ejected in pieces. The cerata floated 

 about for some time in the water, but were not 

 touched by any of the fish. 

 2. — {Facelina coronata). — Pounced upon by several 

 fish together — one secured it and at once rejected 

 it, and then seized the white body and managed 

 to bite it across, setting free the dorsal portion 

 with all the cerata. It then retired to the back 

 of the tank, and the cerata were left floating about 

 in the water untouched. 



Doris hilamellata. 



A. Shanny Tank : — 



Doris 1. — Tried and rejected by two fish, then seized by 

 large shanny and carried off to back of tank. 



B. Flat fish Tank :— 



Doris 2. — Several fish darted at the nudibranch, but a 

 large sole suddenly slipped up vertically between 

 them and bolted it. 



3. — Tried and rejected by six or eight plaice, and 

 finally left on the sand. 



4 to 6. — These three specimens w^ere gently lowered 

 into the tank by a net, so as to reach a shelf of 

 the rock- work without attracting attention. They 

 soon began to expand and move. One plaice 



