A HISTORY OF DEVONSHIRE 



GASTROPODA 



PROSOBRANCHIA 



Patellidae 



Patella rulgata, L. c. and gen. dist. on rocks between 

 tidemarks ; var. picta, f.c. on stonework ; var. 

 intermedia, c. on rocks at h.w. ; var. caerulea, 

 f. with type, Teignmouth Bay (L.B.) ; var. elevata, 

 N. Devon (J.G.J.) 



Patina pellucida (L.). Gen. dist. and c. on stems of 

 Laminaria 



ACMAEIDAE 



Acmaea virginea (O. F. M.). P/ymouti, l.w. — 5 fins., on 

 rocky shores, under stones, etc., gregarious and 

 f.c. ; rea/m R., m.c; Salcombe, f.c. (M.B.A.) ; 

 Teignmouth Bay, v.f. (L.B.) 



FiSSURELLIDAE 



Emarginula fissura (L.) Plymouth, f.c. 0-30 f.ms. ; 

 Salcombe, rr. (M.B.A.) ; Teifftmeuth Bay, d. 

 (L.B.) 



— conica, Schumacher. Plymouth, 10-30 fms., m.c. 



(M.B.A.) ; Exmouth (F. and H.) ; Teignmouth 

 Bay, rough ground (L.B.) 

 Fissurella graeca (L.). Plymouth, occ. on all rocky 

 stations, l.w. — 10 fms.; Tealm R. ; Salcombe, f.c. 

 on ascidians and sponges (M.B.A.) ; Exmouth; 

 Torbay (F. and H.) ; Teignmouth Bay (L.B.) 



Trochidae 



Eumargarita groenlandica (Chem.). Plymouth, single 



specimen, dead (M.B.A.) 

 Gibbula magus (L.). Plymouth, occ. on coarse shell sand 



and gravel ; Salcombe, f.c. ; Exmouth (M.B.A.) ; 



Teignmouth Bay, c. Var. conica, rr. with type 



(L.B.) 



— tumida (M.). Plymouth, occ, 1 5-30 fms. (M.B.A.) 



— cineraria (L.). c. and gen. dist. under stones, on 



rocks, Zostera, Fucus, etc. 



— umbilicata (M.). Gen. dist., h.w. — 3 fms.. I.e. 



than G. cineraria 



Monodonta crassa (Montfort). Plymouth, c. in re- 

 stricted areas at and above h.w. (M.B.A.) ; 

 Devon, frequent (F. and H.) ; Teignmouth Bay, 

 c.(L.B.) 



Calliostoma montagui (Wood). Exmouth (F. and H.) 



— striatum (L.). On Zostera ; Plymouth, occ. ; Tealm 



Est., c. ; Salcombe, v.c. (M.B.A.) ; Torbay ; 

 Exmouth (F. and H.) 



— exasperatum (Penn.). Torquay (F. and H.) ; 



Teignmouth Bay, i.e. (L.B.) 



— miliare (Brocchi). Var. pyramidata, Plymouth 



(J.G.J.) 



— granulatum (Born). Gen. dist. on S. coast, on 



sandy gravel, zo— 30 fms. 



— zizyphinus (L.). C. and gen. dist. on all rocky 



shores ; a well-marked variety, c. on the Tealm 

 sandbank 



Cyclostrematidae 



Delphinoidea cutleriana (Clarke). Exmouth (F. and H.) 



— nitens (Ph.). Coralline zone (J.G.J.) 



— serpuloides (M.). Exmouth (F. and H.) 



PROSOBRANCHIA {continued) 



TURBINIDAE 



Phasianella puUus (L.).. Gen. dist. and m.c. on Algae 

 and Zostera, l.w. — 10 fms. Var. oblonga, 

 Teignmouth Bay, f.c. at times on weeds (L.B.) 



LlTTORINIDAE 



Lacuna crassior (M.). Teiffimouth Bay, on rough 

 ground (L.B.) 



— divaricata (F.). f.c. and gen, dist. on weeds, 



Zostera, and rocks, near l.w. Breeding ii-iv 

 (M.B.A.) 



— parva (D.C.). Plymouth Sound, occ. (M.B.A.) ; 



Teiffimouth Bay, v.c. on weeds, l.w.s.t. ; var. 

 clausa, Teifflmouth Bay. Var. expansa, Teignmouth 

 Bay (L.B.) ; Exmouth ; Torbay (J.G.J.) 



— pallidula (D.C.). Gen. dist. on Fucus, Chondrus 



crispus, etc. Breeding ii. (M.B.A.). Var. albes- 

 cens, Teignmouth Bay (L.B.) 

 Littorina obtusata (L.). c. and gen. dist. on Fucus, 

 Zostera, etc. Breeding ii, iii. (M.B.A.) 



— neritoides (L.). Gen. dist. and c. on rocks above 



h.w. 



— rudis (Maton). Gen. dist. and c. on rocks near 



h.w. Vars. saxatilis, rr., jugosa, c, Teign- 

 mouth Bay (L.B.) 



— littorea (L.). Gen. dist. and c. between tide- 



marks ; gathered in many places for food, and 

 also to put on mussel beds to keep down Ulva. 

 Breeding ii. (M.B.A.) 



RiSSOIDAE 



Rissoa parva (D.C.). Gen. dist. on shore, on rocks 

 and weeds, and occ. in dredgings. Var. inter- 

 rupta, Teignmouth Bay, c. (L.B.) 



— inconspicua. Aid. Torquay; Exmouth (F. and H.) ; 



Teignmouth Bay, r. (L.B.)/ Plymouth, trawl 

 refuse, v.c. (J.G.J.). Var. variegata, Teignmouth 

 Bay (L.B.) ; var. ventrosa, Exmouth (J.G.J.) 



— albella,Lov^n,var. sarsi. Teignmouth Bay,dLt\it(L.'Z.) 



— violacea, Desm. Teignmouth Bay, on weeds, r. 



(L.B.) ; Torquay 



— guerini, R^cluz. Exmouth ; Torquay, c. (F. and 



H.); Teignmouth Bay (L.^.) 

 Alvania lactea (Mich.). Barrycane, (J.G.J.) 



— cancellata (D.C.). Plymouth, dead (M.B.A.) ; 



Torquay ; Salcombe (F. and H.) ; Teignmouth 

 Bay, rr. (L.B.) 



— reticulata (M.). Plymouth, dead (M.B.A.); Ex- 



mouth (F. and H.). Var. cimicoides ; Exmouth 

 (J.G.J.) 



— punctura (M.). Plymouth ; Exmouth, etc. (F. and 



H.) ; Teignmouth Bay, occ. (L. and B.) 

 Manzonia zetlandica (M.). Exmouth ; Barrycane (F. 

 and H.) 



— costata (Adams). Gen. dist., but n.c. 

 Zippora membranacea (Adams). Gen. dist. and c, 



on Zostera, etc. 

 Onoba striata (Adams). Gen. dist. and c, l.w. — 



10 fms., particularly under stones with silt 

 Ceratia proxima, Aid. Teignmouth Bay, in shelly 



mud (L.B.) ; Exmouth, 1 5 fms., shells and mud ; 



Torbay and Plymouth, with H. vitrea Q.G.J.) 



152 



