290 I'LYMOUTH MARINE INVERTEBRATE FAUNA. 



[ Pelecypoda— co/i<''.] 

 Spisula ELLIPTRA (IWdwii): /;. Forbes & Hanky, Hist. Brit. Moll., vol. i, 

 p. 356, tig. (as Mavtrii). 



West Entrance, abundant; Cawsand B., moderately common (s.P.). 



Spisula solida (Linnieus) : E. Forbes & Hanky, Hist. Brit. Moll., vol. 1, 

 p. 351, tig. (as Madra). 



])rake's I., common on sand-bank at E. end (s.P. & A.J.S.): Yealm 

 JSand-bank (k.a.t.). 



LUTRAKlA ELLIPTICA, Lamarck : J. G. Jeffreys, Brit. Conch., vol. ii, 

 p. 428, tig. 



Drake's I., abundant in a small sandy patch on the Zoskra bed 

 on the N.E. side (s.P.): on the shore S. of Batten Castle and Yealm 

 Sand-bank, occasionally (r.a.t.). 



Gonads ripe: Mar.-Apr. (s.P.): May (R.A.T.). 



Veneridse. 

 LuciNOPSis UNDATA (Pennant): F. Forbes & Hanky, Hist. Brit. Moll., 

 vol. i, p. 435, fig. 



Dead shells only (r.a.T.). 



DosiNiA exoleta (Linnaius): F. Forbes & Hanky, Hist. Brit. Moll., 

 vol. i, p. 428, tig. (as Artemis). 



Occasionally from gravel S. of Drake's I. and in Millbay Ch. ; 

 Yealm Sand-bank, not uncommon (r.a.T.): Mewstone Gds. : Stoke 

 Pt. Gds. ; Eame-Eddystone Gds. ; etc. (s.P.) : Eddystone Gds. 

 (E.J.A., s.P.). 



Meretkix chione (Linnaeus): F. Forbes & Hanky, Hist. Brit. Moll., 

 vol. i., p. 396, fig. (as Cytherea). 

 Dead shells only (k.a.t.). 



Venus (Clausinella) fasciata (da Costa): F. Forhcs &. Hanhii, Hist. 

 Brit. Moll., vol. i, p. 415, fig. 



Common on coarse gravel, particularly on muddy or sandy 

 gravel, 6-30 fms. ; Queen's Gd. ; Mewstone Gds. ; Stoke Pt. Gds. ; 

 Kame-Eddystone Gds.; Eddystone Gds. (S.P.) : Yealm Sand-bank, 

 occasionally between tide-marks (r.a.t.). 



Venus (Ventricola) CASINA, Linna3us : E. Forbes & Hanley, Hist. Brit. 

 Moll., vol. i, p. 405, fig. 



Occasionally on gravel grounds, 10-30 fms. (s.P.). 



Venus (Ventricola) verrucosa, Linnaeus: E. Forbes & Hanlcy, Hist. 

 Brit. Moll., vol. i, p. 401, fig. 



Occasionally on mi.xed gravel grounds, 15-30 fm.*'. : Pamc-P^ddy- 

 stone Gds.; Mewstone Gds.; etc. (s.P.): Milll)ay Cii. ; Yealm 

 Saud-liank (K.A.T.). 



Venus (Timoclea) ovata. Pennant: E. Forbes & Hanleij, Hist. P>rit. 

 Moll., vol. i, p. 419, fig. 



Moderately common in the Sound on muddy sand and gravel, 

 and occasioiudly outside in 15-30 fms. (r.a.T.). 



Venus (Chamel.<ea) gallina, Linnams : E. Forbes & Hanky, Hist. Brit. 

 Moll., vol. i, p. 408, fig. (as V. struduk). 



Cawsand B., moderately common in sand; occasionally on the 



