TREGELLES : MARINE MOLLUSCA OF CORNWALL. 195 
Ciass CEPHALOPODA. 
OrDER DIBRANCHIATA. 
SuB-ORDER OCTOPODA. 
Octopus vulgaris Lmk.—-Generally distributed. 
Eledone cirrosa Lmk. — Plymouth Sound (J.M.B.A.); 
Falmouth (W.P.C.) ; Mount’s Bay (J. B. Cornish). 
SuB-OrpER DECAPODA. 
Spirula Peroni Lmk., is a tropical cephalopod, the dead 
shells of which are frequently cast ashore on the western 
beaches of Cornwall. 
Sepia officinalis L.—Generally distributed. 
S. Ruppellaria D’Orb. — Plymouth (J.M.B.A.); Polperro 
(Laughrin) ; Mawgan Porth, shells only (J.G.J.). 
S. elegans D’Orb.—Polperro (J.C.). 
Sepiola atlantica D’Orb. Plymouth, common (J.M.B.A.) ; 
Rolpeno anchun)) oe almouth s(Wars€) and ~ RVs). 
Mount’s Bay (G.F.T.). [Many, if not all, of the older 
records of S. Rondelett undoubtedly refer to this species, 
but it is still an open question whether the true Mediter- 
ranean S. fondelefe occurs on the Cornish coaat. It has 
been recorded by Giard from Roscoff.—Ed. ] 
Rossia macrosoma D.Ch.—Plymouth, twice in autumn of 
1892 (J.M.B.A.). 
Loligo Forbesi Stp.—Generally distributed. 
L. marmoree Vér.—Off Draystone, Plymouth (J.M.B.A.). 
L. media L.—Cawsand Bay, Plymouth (J.M.B.A.); Falmouth 
(WerterandsRiVa): 
Ommastrephes eblanze Ball.—Plymouth (J.M.B.A.). 
O. sagittatus Lmk.—Polperro(Laughrin) ; Falmouth(W. P.C.). 
[It is not certain whether these records refer to ex Coindeti 
or Todarodes sagittatus.—Ed. | 
Crass GASTROPODA. 
ORDER AMPHINEURA. 
SuB-ORDER POLYPLACOPHORA. 
_Lepidopleurus onyx Speng. [C%zton cinereus Jeff. |.—Ply- 
mouth, Falmouth, Helford, Mount’s Bay, Hayle, Scilly. 
