104 JOURNAL Ol' CONCHOLOGY, VOL. I3, NO. 4, OCTOBER, I9IO. 



Facelina COronata Forbes & Goodsir. — Filey (T.P.) ; fairly 

 common, Scarborough (J. Irving). 



Facelina drummondi (Thompson). — Off Scarborough, 23 

 fathoms (M.B.A.). 



DotO fragilis (Forbes). — Redcar, brought in by fishermen (D.F.). 



Doto COronata (Gmelin). — Redcar, with previous species (D.F.); 

 Staithes (A. T. Watson); Filey (T. P.). 



Dendronotus frondosus (Ascanius).— Near Dogger Bank, 34 

 fathoms (Meyer); Redcar, West Scar (D.F.); off Flamborough ; 

 frequently brought in by trawlers ; near Easington (T.P.). 



Scyllsea pelagica Linne. — Two in pool in South Bay, Scar- 

 borough, Aug., 1 9 10 (J. Irving). 



Tritonia hombergi Cuvier.— Tees (M.B.A.); off Flamborough 

 (M.B.A.); Bridlington Bay (M.B.A.). 



Tritonia plebeia Johnston. — Redcar, in old shells on fishing 

 lines (D.F.); wherever Akyonhn/i digitatuni was abundant (M.B.A.). 



Tritonia lineata Alder & Hancock. — Scarborough at low water 

 mark (Bean, Alder & Hancock). 



Archidoris tuberculata (Cuvier). — Saltburn (Baker Hudson); 

 Sandsend, one (M.V.L.); Scarborough, both bays, common. 



Cadlina obvelata (Miiller). — Between tide marks, Scarborough 

 (Bowerbank & J. Irving). 



Jorunna johnstoni (Alder & Hancock), — Two fine specimens 

 in Ha/ichoiidria, Sandsend (M.V.L.); both bays, Scarborough; Redcar. 



Polycera quadrilineata (Miiller). — Common in De/esseria, 

 Sandsend (M.V.L.); not uncommon, Scarborough (J. Irving); Redcar. 



Acanthodoris piiosa (Miiller), — Staithes (A. T. Watson); 

 Saltburn (iM.L.T.); \e.ry common y^htxe Alcyoiiium gelati/iosufii is at 

 all abundant, and is widely distributed (M.B.A.) ; Scarborough; 

 Redcar. 



Lamellidoris aspera Alder & Hancock. — Very common, 

 Sandsend, both white and yellow vars. (M.V.L.); Withernsea (T.P.); 

 Redcar; Scarborough. 



Lamellidoris bilamellata (Linne).— Saltburn (M.L.T.); "pro- 

 fusely covering a large rock," Sandsend (M.V,L.); off Scarborough, 

 31 fathoms, fairly common (M.B.A.); Scarborough (J. Irving). 



Lamellidoris depressa Alder & Hancock. — Yorkshire (Alder). 



Goniodoris nodosa (Montagu). — Commonest nudibranch at 

 Sandsend (M.V.L.); Redcar. 



Goniodoris castanea Alder & Hancock. — Sole Pit, east of 

 Withernsea, 47 fathoms (M.B.A,). 



