MARINE ZOOLOGY 



320. 



301. Ocincbra erinacea, Linn. N. unc. and locally 

 abund. between t-m. on stony and rocky 

 beaches along S. coast ; a few specs, dredged in 

 30 fm. in Falmouth B. ; dead shells occ. from 

 N. coast ; only one live spec., Scilly in deep 

 water (S. and C.) 



302. Trophon muricatus, Mont. Evidently somewhat 



sparsely dist. on sand and muddy gravel along 

 S. coast in 12 to 40 fm. ; Wolf Rk. and off 

 Menavawr, Scilly (S. and C.) ; 2 dead shells 

 from Hayle (Hockin). var. lactea Jeffreys, 

 Scilly (M.) 



303. T. clathratus, Linn. Type does not occur ; the 



var. truncata StrSm, Scilly (Smart and Marshall) 



304. Purpura lapillus, Linn. C. often abund. round 



coast and at Scilly on rocks between t-m. ; 

 colour vars. numerous and beautiful, var. imbrl- 

 cata Lmk. Falmouth, Helford, Hayle, New- 

 quay, var. major Jeffreys, Helford (Rogers) 



305. Nassa reticulata, Linn. F. c. along S. coast and 



at Scilly, and in places abund. in Zostera and 

 in muddy gravel ; apparently local on N. coast. 

 var. nltida Jeffreys, Falmouth (Norman) 



306. ff. incrassata, StrOm. F. c. on rocky beaches all 



round coast near 1. w-m. in fine silt in crevices 

 and under stones ; c. off the Dodman 40 fm. ! 

 and in Falmouth B. locally down to 30 fm. ! 

 Scilly abund. var. major Jeffreys, 3 specs. 

 Falmouth (James) ; Hayle. var. minor Jeffreys, 

 off Menavawr, Scilly (M.). var. simulans 

 Jeffreys, Scilly (M.) 



307. N. pygmaea, Lmk. Under sea-weed and stones 



near 1. w-m. ; Gorran Haven ! Falmouth, 

 Helford ; in dredgings Mount's B. (Tregelles), 

 dead shells at Hayle 



308. Beta turricula, Mont. From trawl refuse and 



dredgings in Falmouth B. ; Mount's B. (Pen- 

 zance List) 



309. B. trevelyana, Turton. Scilly (Miss Hockin) , 22 



310. B. rufa, Mont. Occ. in trawl refuse ; Meva- 



gissey (Dunn), Falmouth (Cocks), Land's End, 

 Wolf Rk. and Scilly. var. lactea Jeffreys, St. 

 Mary's S., Scilly (M.). var. semicostata Jeffreys, 

 Land's End (Hockin). var. crancbi Brown, 

 Falmouth (Cranch) 



311. Haedropleura costata, Costa. Dead shells occ. in 

 the shell sand all along S. coast and live specs. 

 dredged in 15 to 30 fm. Falmouth B., Mount's 

 B., and in 40 fm. off Menavawr, Scilly (S. 

 and C.) 



312. MangiRa strwlata, Scacchi. Falmouth *nd 



Land's End (Hockin) ; Mount's B. (Tregex is) 



313. M. attenuata, Mont. About Plymouth occ. in 



20 to 30 fm. on muddy gravel (M.B.A.) ; 

 Falmouth Harb. (Hockin) ; Crow S., Scilly, 

 one spec. (S. and C.) 



314. M. costata, Donovan. Evidently n. unc. from 



20 fm. downwards along S. coast ; single specs. 

 occ. at 1. s. t. ; dead shells at times f. c. ; 

 Harlyn B. (Thelwell) ; in deep water off 

 Menavawr c. (S. and C.). var. coarctata F. and 

 H., Scilly (M.) 



3 1 5. Mangilia rugu/osa, Philippi. First found in Eng- 



land by Hockin at St. Merryn in 1 865 ; Padstow 

 (Goodall) ; one ' young and fresh ' example 

 Muncoy neck, Scilly (M.) 



316. M. brachystoma, Philippi. Falmouth Harb. 



(Hockin) ; identified in sand from Mount's 

 B. by Chaster; 2 specs. Harlyn B. (Thel- 

 well) ; Scilly (M.) 



317. M. nebula, Mont. One spec. Queen's Gnd., 



Plymouth (M.B.A.) ; occ. about Falmouth, Hel- 

 ford and Mount's B. ; at Land's End (Hockin) ; 

 I spec, at Harlyn B. (Thelwell) ; Crow S. 

 and off Menavawr, Scilly (S. & C.). var. laevi- 

 gata Philippi, Helford (Hockin) ; Marazion 

 (Miss Hockin). var. vittata Norman, I large 

 spec, quite 5 mm. long at Scilly (S. & C.). 

 var. ehngata Jeffreys, Scilly (M.) 



318. M. (Teres) anceps, Eichwald. In 30 fm. off 



Polperro (Robinson) ; Helford and Wolf Rk. 

 (Hockin) rr. in deep water ; Scilly (S. & C.) 



319. M. (Bellardiella) gracilis, Mont. Evidently 



gen. dist. and in places at least f. c., esp. on 

 muddy and sandy gravel along the S. coast at 

 15 to 40 fms. ; dead shells, Hayle and Pad- 

 stow ! n. unc. in the Menavawr dredgings at 

 Scilly 



Clathurella leufnyt, Michaud. The type does 

 not occur, but the var. boothl Brown has been 

 found at Looe (J. C.), 40 fm. off the Dod- 

 man ! in 25 fm. Falmouth B. ! Falmouth 

 Harb. (Hockin) ; at Land's End (J. C.) ; and 

 St. Mary's S. Scilly (M.) 



C. Knearis, Mont. At intervals along the S. 

 coast, 5 to 40 fm. and locally n. unc. ; Wolf 

 Rk. (Miss E. Came) ; Mawgan Forth (Perrin) ; 

 Harlyn B. (Thelwell) ; off Menavawr c. 

 (S. & C.). var. alba Marsh., in 40 fm. at 

 Scilly ; Land's End r. (M.) 



C. reticulata, Renier. A few specs, in 30 fm. off 

 Polperro (Robinson) ; off Gorran Haven ! at 

 Falmouth (Hockin) ; in St. Mary's S., Scilly 

 (M.). var. asperrima F. & H. Falmouth ; 

 Scilly (M.) 



323. C.purpurea, Mont. Occ. on stony bottoms and 



in rocky chinks from 1. 1. down to 40 fm. along 

 the S. coast and at Scilly. Dead shells in shell 

 sand, r. round to Hayle and at Padstow ! one 

 at Bude ! var. Philberti Michaud, a fragment 

 at Scilly (S. & C.) 



TECTIBRANCHIA 



324. Actaeon tornatilis, Linn. Dead shells not in- 



frequent along S. coast, and occ. on the N. ; 

 live specs, in quantity on muddy sand in 1 2 fm. 

 off Pennance, Falmouth B. ! dredged in 

 Mount's B. (Tregelles) ; Crow S., and in 

 thick mud under Round Is., Scilly (S. & C.) 



325. Tornatina mammillata, Philippi. Dead shells 

 found sparingly at Plymouth and in Whitsand 

 B. ; in 30 fm. off Polperro ! in 25 fin. Fal- 

 mouth B. ! in Mount's B., Land's End, and on 

 beach at Guthers, Scilly 



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321, 



