A HISTORY OF CORNWALL 



34. Pecten (Chlamys) varius, Linn. Gen. dist. and 



often c. from between t-m. to 40 fm. ; Scilly in 

 deep water off Menavawr (S. & C.) ; and 

 among stones at Annett ! var. purpurea Jeff. 

 Falmouth (Tregelles), Truro river (James) 



[P. (Chlamys) sukatus, Mull. ' M. Hanley showed me 

 a single valve said to have been trawled near 

 the Runnelstone (Wolf) lighthouse off the 

 Land's End.' (Jeffrey, Brit. Conchology, v, 167)] 



35. P. (Aequlpecteri) opercularis, Linn. Gen. dist. 



round coast between t-m. in Zostera beds and 

 down to 40 fm. ; in deepish water often in 

 thickly populated beds ; Scilly c. var. ftneata 

 da Costa, Fowey ! Falmouth, Helford, Mount's 

 B. and off Menavawr and St. Martin's, Scilly 

 (S. & C., Jeffreys), var. tumida Jeffreys, Fowey ! 



[A spec, of Pecten clavatus, var. septemradiatus, marked 

 'Falmouth' in M.R.I.] 



36. P. (Palliolum) tigerinus, Mull. Apparently local, 



but n. unc. in 10 to 40 fm. ; Rame-Eddystone 

 and Eddystone Gnds. (M.B.A.) ; off the Dod- 

 man ! Falmouth ! 3 valves at Mullion ! Mount's 

 B. ; Porthcurnow (Dennis) ; odd valves at 

 Land's End (James) ; n. unc. Scilly on stony 

 ground off Menavawr (S. & C.). var. coitata 

 Jeffreys, off the Dodman in 40 fm. ! and outside 

 Menavawr, Scilly (S. & C.) 



37. P. (Palliolum) incomparabifis, Risso. Land's End 



and Nare Pt. (Hockin) ; one spec, in 15 fin. 

 Falmouth B. ! 



38. P. (Palliolum) itriatus, Mull. Plymouth (Jor- 



dan) ; Eddystone (M.) ; Wolf Rk. (Miss 

 Came) ; Scilly (Jeffreys) 



39. P. (Palliolum) similis, Leskey. Evidently local ; 



single valve Fowey Harb. ! occ. spec. 20 

 fm. Falmouth B. ! Mount's B. (McAndrew & 

 Forbes) ; Wolf Rk., and outside Menavawr, 

 Scilly, small and local (S. & C.) 



40. Lima subauriculata, Mont. Whitsand B. (Jeff), 



Fowey (M.), 40 fm. off the Dodman ! Fal- 

 mouth, Mount's B. (McAndrew & Forbes), 

 Porthcurnow, Harlyn B. (Thelwell) ; a few 

 valves off Menavawr, Scilly (S. & C.), alive in 

 St. Mary's S. (M.) 



41. L. loscombi, G. B. Sow. Rame-Eddystone Gnds. 



and n. unc. on the coarse grounds W. of the 

 Eddystone (M.B.A.) ; Falmouth B. 25 fm. ! 

 in deep water Mount's B. ; Porthcurnow, odd 

 valves; Land's End; Wolf Rk. (Baily) ; live 

 spec, r., single valves f. c. outside Menavawr, 

 Scilly (S. & C.) 



42. L. hians, Gmelin. Abund. 1. s. t. in a stony 



patch N. of Plymouth breakwater (M.B.A.) ; 

 St. Austell B., single valves only (Richards) ; 

 few single valves 15 fm. Falmouth B. ! 

 Mount's B. (McAndrew & Forbes), var. 

 tettcra Turton, 40 fm. off the Dodman ! 1 5 fm. 

 Falmouth B.! Falmouth (Burkill); Land's End; 

 few valves outside Menavawr, Scilly (S. & C.) 



EULAMELLIBRANCHIA 



43. Turtonia minuta, Feb. Few stray specs., chiefly 



single valves, Falmouth (Jeffreys), Mount's B., 

 Land's End (M.R.I.) and Scilly (Penzance 

 Mus.) 



44. Astarte sulcata, da Costa. Apparently n. unc. in 



deepish water ; often 15 to 30 fm. off Ply- 

 mouth (M.B.A.) ; in trawl refuse Mevagissey ! 

 20 fm. Falmouth B. ! in trawl refuse Mount's B. 

 (Tregelles) ; 2 living specs, and about 1 2 valves 

 from deep water off Menavawr (S & C.). Var. 

 paucicostata Jeff., Mount's B. (Miss Tyacke) 



45. A. compressa, Mont. Two live specs, from trawl 



refuse and 3 valves on Gyllyngvase beach 

 (Cocks), and a single valve from Mount's B. 

 (Miss Tyacke) 



46. GooJallia triangularts, Mont. Evidently local at 



30 fm. or more, rarely cast up on the coast ; 

 abund. off the Eddystone (M.) ; Whitsand B. 

 (Jeff.), Falmouth (Mont.), Mount's B. (Tre- 

 gelles), Land's End, Harlyn B. (Thelwell), Scilly 

 (McAndrew) 



47. Isocardia humana, Linn. Off Fowey (Peach) ; 



n. unc. in trawl refuse and dredgings from 

 Falmouth B. and off the Manacles 



48. Cyprina islandica, Linn. Apparently n. unc., 10 



to 40 fm. ; occ. dredged off Plymouth ; Pol- 

 perro ! in 40 fm. off the Dodman ! 20 fm. in 

 Falmouth B. ! from shallow water to 20 fm. 

 Mount's B. ; Mullion, Whitsand B., Hayle ; 

 young specs. Crow S., Scilly (S. & C.) 



49. Loripes lacteus, Linn. N. unc. in trawl refuse 



and dredgings from Falmouth B. ; few valves 

 at Hayle, and on St. Martin's Flats (S. & C.) ; 

 a live spec, obtained by C. Jeffreys at St. Mary's, 

 Scilly 



50. Divaricella commutata, Philippi. Obtained by 



Jeffreys at St. Mawes, by Montagu from Fal- 

 mouth, by Turton from Land's End ; valves 

 occ. found at Hayle, and evidently c. and fresh 

 in Crow S., Scilly (S. & C.) 



5 1 . Lucina spinifera, Mont. Dead shells n. unc. 



Plymouth district, but only one live spec, on 

 Rame-Eddystone Gnds. (M.B.A.); n. unc. in 

 trawl refuse and in 20 to 30 fm. dredgings from 

 Falmouth B.; Mount's B.; St. Mary's S., 

 Scilly (M.) 



52. L. borealis, Linn. Dead shells along S., at times 



abund., and occ. at Hayle, Newquay ! Harlyn B. 

 (one young valve, Thelwell), and Bude ! Live 

 specs, irregularly from the Zostera bed down to 

 40 ftn. Cawsand B. to Mount's B., and at 

 Scilly 



53. Thyasirafaxuosa, Mont. Single valves often v. c. 



as at Cawsand B., Mount's B. (Tregelles), 

 Scilly, and at Falmouth in March, 1904 ; 

 Hayle (Hockin) ; live specs, abund. 1 5 fm. off 

 Pennance ! n. unc. occ. in trawl refuse at 

 Mevagissey ! Falmouth and Penzance ; rr. 

 Crow S., Scilly (S. & C.) 



[T. fcrruginosa, Forbes. Is given in the Penzance 

 list, but no authenticated Cornish spec, can be 

 found] 



54. Montacuta substriata, Mont. N. unc. on the anal 



spines of Spatangus purpureus around Plymouth, 

 in Whitsand B., at Polperro, off the Dodman ! 

 Falmouth B. 15 to 25 fm. ! Mount's B. and 

 Scilly. 



142 



