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 MARINE ZOOLOGY 1 8 8. Rissoa violacea, Desmarest. Falmouth (M.) ; Helford (M. R. I.) ; Mount's B. (Dennis) 1 89. R. guerinl, Rccluz. Helford and Mount's B. ; Land's End c. (James), var. costulata Alder, Land's End (Mrs. Paull) 1 90. Alvania lactea, Michaud. Three dead specs, near Fowey (M.) ; Helford (M. R. I.) 191. A. cancettala, da Costa. Dead shells n. unc. round coast, but live specs, occur chiefly in the deeper dredgings in 30 fm. off Polperro (Robin- son), in 25 fm. Falmouth B., and in 40 fm. at Scilly ; Mount's B. (Tregelles), Porthcurnow and Porthgwarra (Dennis), Wolf Rk. (Miss E. Carne) 192. A. reticulata, Mont. Dead shells occ. round coast from Plymouth S. to Harlyn B. ; live specs, chiefly from deep water off Looe, Fal- mouth, and Scilly. var. calathus F. & H. similar in occurrence and dist. to the type. var. cimi- coldes Forbes, with the type round mainland and at Scilly 193. A. Jeffrey si, Waller. Several dozen specs, at Scilly to E. of St. Mary's, off Menavawr and Muncoy, in 30 to 40 fm. (M.) 1 94. A. punctura, Mont. Mount's B. ; Sennen (M.) ; Land's End ; Harlyn B. (Thelwell) ; Scilly, abund. in deep water (S. & C.). var. diversa Jeffreys, in 40 fin. Scilly (M.); Land's End (M.) . subsoluta, Aradas. In 40 fm. at Scilly (M.) Manzonia zetlandica, Mont. Dead shells occ. thrown up on the beaches from Gorran to Land's End ; live specs, in trawl refuse and deep water dredgings from Falmouth B., Mount's B., Wolf Rk., and at Scilly from 40 fm. (S. & C.) M. costata, J. Adams. Apparently n. unc. along S. coast and at Scilly at 20 to 40 fm. ; Harlyn B. (Thelwell) ; one spec. Bude (Mrs. Clark) ; dead shells in places c. var. minor Montero. Scilly (M.) 198. Zippora membranacea, J. Adams. Usually c., at times abund. on the Zostera beds along S. coast and at Scilly. var. minor Jeffreys, Penzance (M.) ; var. venusta Phil. Mount's B. (Tregelles) 199. Qnoba striata, ]. Adams. F. c., sometimes abund. on most of our rocky shores, grouped together in silt under stones ; n. unc. in dredgings in 10 to 40 fm. ; Scilly c. var. aculcus Gould, Sennen (M.) ; Land's End 200. Ceratia proximo, Alder. Dead shells, Plymouth ; n. unc. St. Austell B. to Hayle ; under stones from 1. w. down to 10 fm. ; Crow S. and on Porth Cressa beach, Scilly 20 1. Hyala vitrea, Mont. Dead shells, Plymouth ; Looe (J. C.) ; in 30 fm. off Polperro (Robin- son) ; Falmouth (Hockin) ; Scilly, St. Mary's S. (M.) 202. Setia julgida, }. Adams. Falmouth ; Helford (Rogers) ; Mount's B. ; Scilly, dead shells from St. Mary's S. (M.). var. pallida Jeffreys, Hel- ford (Rogers), Mousehole (Baily) 203. Setia obtusa, Cantraine. Live specs, occ. on S. coast in deepish water ; 2 in 45 fm. off the Dodman ! 5 in 20 to 25 fm. Falmouth B. ! Fowey (Barlee) ; Wolf Rk.; from several places at Scilly (M.) ; one spec. Harlyn B. (Thelwell) 204. Cingula semis triata, Mont. Evidently n. unc. in deepish water ; occ. dead shells found between t-m. after heavy gales ; in 3 5 fm. off Polperro (Robinson) ; in 40 off the Dodman ! in 15 from Falmouth B. ! Land's End ; Carbis B.; Harlyn B. (Thelwell) ; one dead shell, Bude (Miss E. A. Reynolds) ; off Menavawr, Scilly. var. pura Jeffreys, Scilly (M.) 205. C. trifasciata, J. Adams. C. in little colonies in thin silt under stones between t-m. on S. coast and at Scilly ; often also in fine mud and occ. on sea-weed down to 10 fm. ; one spec. Har- lyn B. (Thelwell), and a dead shell in a lami- naria root at Millook near Bude ! var. rupestris Forbes ; shore specs. Falmouth, Mount's B. (Dennis), and St. Mary's, Scilly (M.). var. graphica Turton, Scilly (M.) 206. Galtodina earinata, da Costa. In 30 fm. off Pol- perro (Robinson) ; in 1 5 fm. Falmouth B. ! at Muncoy neck, Scilly (M.) ; dead shells at times f. c. Plymouth, Fowey, Falmouth, Porthcurnow, and Land's End 207. Barleeia rubra, Mont. Dead shells at times n. unc. locally along S. coast and in deep water at Scilly. Live specs. 40 fm. off the Dodman ! var. unifasciata Mont. Scilly (M.). var. pallida Jeffreys, Scilly (M.) 208. Paludestrina stagnaRs, Baster. C. in brackish water along S. coast ; Hayle ; and at Scilly (M.). var. minor Marshall, Scilly (M.) 209. P. vcntrosa, Mont. Land's End (Hockin) 2 1 o. Jejfreysia diaphana, Alder. Among sea-weed at Falmouth, Helford, Mousehole (Dennis), Carbis B. 211. J. opabna, Jeffreys. Falmouth (Barlee) ; Maen- porth and Helford (Hockin); Mousehole (Dennis) ; and Scilly (M.) 212. Adeorbis subcarinatus, Mont. Dead shells more c. than live specs. ; c. August, 1887, on rocks at 1. w. Rame's Cliff Pt. (M.B.A.); Fowey (Peach); Helford, Penzance, and Porthcurnow (Dennis); Land's End (Rogers); Harlyn B. (Thelwell) ; dead spec. St. Mary's S., Scilly (M.). var. interrupta Marshall, Scilly (M.) 213. Skenca planorbis, Fab. Under stones and among sea-weed and corallines between t-m. ; n. unc. along S. coast and at Scilly. var. maculata Jeffreys, Land's End (M.). var. byalina Jeffreys, Land's End and Scilly (M.) 214. Homahgyra atomtis, Philippi. Very sparingly, in deepish water ; 2 specs, in 30 fm. off Polperro (Robinson) ; in 25 fm. Falmouth B ! in 35 to 40 fm. St. Mary's S., Scilly (M.) ; St. Mawes (Hockin); Mount's B. (Penzance list), and Land's End (Jeff.) 149