274 PLYMOUTH .MAIMNK INVRliTEBIiATK FAUNA. 



[ Frosobranchiata — contd.] 

 EULIMA (Leiostkaca) bilineata (Alder): K ForhesS: HanJeij, Hist. Brit. 

 Moll., vol. iii, p. 287, fig. 



Occasionally; Ivame-Etklystone Gds.; Eddystone Gds.; etc. (s.P.). 



Eulima (Leiostraca) glabra (da Costa): E. Forbes <(• Hanky, Hist. 

 Brit. Moll., vol. iii, p. 235, fig. (as E. snhnhifa). 



Occasionally ; Millbay Pit ; Mewstone Gds. ; etc. (s.P.). 



Csecidse. 



CAECUM GLABRUM (Montagu) : E. Forbes & Hcuileij, Hist. Brit. Moll., 

 vol. iii, p. 181, fig. 



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

 CiECUM biperforatum (G. Adams): E. Forbes & Hanley, Hist. Brit. 

 Moll., vol. iii, p. 178, fig. (as C. trachea). 

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



Turritellidae. 

 Turritella communis, Lamarck : J. G. Jeffreys, Brit. Conch., vol. iv, 

 p. 80, fig. (as T. terebra). 



Common in places, on muddy and sandy gravel, 15-30 fms. (s.P.): 

 Mewstone Gds. (r.a.t., s.p.): Kame-Eddystone Gds.; Stoke Pt. Gds. 

 (s.P.) : Eddystone Gds. (e.j.a., s.p.). 



Aporrhaidae, 

 Aporrhais pes-pelecani (Linn.Tus): J. G. Jeffreys, Brit. Conch., vol. iv, 

 p. 250, fig. 



Not uncommon, particularly on muddy gravel, 5-35 fms. ; 

 Jennycliff' B., rare : Cawsand B., occasionally : liame-Eddystone 

 Gds. ; Stoke Pt. Gds. ; etc. (s.P.) : Eddystone Gds. (e.j.a., s.p.). 

 Young shells in Aug. (a.J.S.). 



Buccinidae. 

 BUCCINUM UNDATUM (Linmvus) : J. G. Jeffreys, Brit. Conch., vol. iv, 

 p. 285, fig. 



Mewstone ' P^chinoderm ' Gd., moderately common; Pame- 

 Eddystone Gds. ; Yealm P., moderately common in dredgings, 

 and not uncommon on the sand-bank (r.a.t.): Eddystone Gds., 

 numerous on the gravel and coarser sands near the Eddystone 

 (e.j.a.) : Stoke Pt. Gds. (s.P.). 



Breeding: Jan.-Apr. (w.g.). Hatching: Feb. -Mar. (r.a.t.). 



DONOVANIA MINIMA (Moiitagu) : ,/. G. Jeffreys, Brit. Conch., vol. iv, 

 p. 313 (as JarJiesis). 



Not uncommon in the Sound, under stones, L.W.-20 fms. (s.P.). 



Tritonofusus gracilis (Costa) : E. Forbes & Hanley, Hist. Brit. Moll., 

 vol. iii, \). 416, fig. (as Fiishs ishnifJieus). 

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



Muricidse. 

 Ocinebra erinacea (LinUcX'Us) : /. G. Jeffreys, Brit. Conch., vol. iv, p. 306, 

 Y fig. (as Miirex). 



Moderately common on rocks between tide-marks (R.A.T., S.P.) : 

 Asia SI). : Milll)ay Ch. ; Yealm P. ; occasionally (r.a.t.). 

 Spawn : Apr. (r.a.t., s.P.) : May (w.g.). 



