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 



