A HISTORY OF CORNWALL 



2 1 5 Homalogyra rota, F. & H. In 30 fm. off Polperro 

 (Robinson) ; Falmouth (Jeffreys) ; Mousehole 

 (Templer) ; Land's End (Webster) ; Carbis B. 

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



[Two specs, of Truncatetta truncata Mont, both rolled 

 shells, marked Helford in the M.R.I., but their 

 history cannot be traced.] 



2 1 6. Capulus hungaricus, Linn. F. c. in deep water 

 along S. coast, often on Pecten opercularis, some- 

 times on P. maximus ; Hayle, one young spec. 

 Harlyn B. (Thelwell) ; only very young dead 

 specs, off Menavawr (S. & C.) 



217. Calyftraea chinensis, Linn. Often c. between 



t-m. on stony beaches along S. and dredged to 

 40 fm. ; Scilly (M.) 



218. Trivia europaea, Mont. Gen. dist. and usually 



abund. esp. on stony gnd. from 1. w. to 

 30 fm. ; on N. coast chiefly represented by 

 dead shells ; Scilly, c. var. minor Monterosata, 

 Falmouth (James) 



219. Ovula patula, Pennant. Occ. between t-m. 



Falmouth ; usually in trawl refuse and dredgings 

 from 10 to 40 fm. ; n. unc. along S. coast ; 

 dead specs, only, off Menavawr (S. & C.) 



220. Erato kevis, Donovan. N. unc. on coarse sand 



and gravel along S. coast in 1 5 to 40 fm. ; odd 

 specs, at times cast up along N. coast ; n. unc. 

 from deep water outside Menavawr and Shipman 

 Head, Scilly (S. & C.) 



221. Natica sordida, Philippi. Off Scilly (McAndrew) 



222. N. catena, da Costa. Dead shells n. unc. along 

 S. and occ. on N. coast ; live specs, at times on 

 sandy bottom in Plymouth district, Falmouth 

 and Mount's B. ; Scilly 



223. N. alderi, Forbes. F. c. in clean sand and 



gravel on S. coast from 1. w-m. down to 40 fm. ; 

 Hayle, and occ. Perranporth ; young specs, at 

 Harlyn B. (Thelwell), and dead shells at times 

 in Widemouth B. ! Scilly, c. var. lactea 

 Jeffreys, occ. with the type from Polperro to 

 Scilly. var. subovalis Jeffreys, Scilly (M.). [var. 

 ventricosa Jeffreys, spec, marked Helford in the 

 M.R.I.] 



224. N. montagui, Forbes. Cornwall (McAndrew) ; a 



few off Menavawr, Scilly (S. & C.) 



225. Lamellaria perspicua, Linn. N. unc. from 



between t-m. and occ. down to 30 fm. along 

 S. coast ; dead shells and stray living specs, 

 along N. coast ; a few specs, from Crow S. 

 (S. & C.) ; var. lata Jeffreys, dredged alive in 

 20 fm. Falmouth B. ! Mount's B. (Tregelles) 



226. Velufina laevigata, Pennant. Occ. dredged from 



muddy and from sandy gravel ; in 30 fm. off 

 Polperro (Robinson) ; in 1 5 fm. off Penzance, 

 Falmouth ! in 20 fm. off Helford ! Porth- 

 curnow (Dennis) ; Hayle (Hockin), and 

 Mawgan Forth (Perrin) ; Menavawr, Scilly 

 (S. & C.) 



227. lanthina rotundata, Leach. At intervals on most 



of the northern beaches from Land's End to 

 Marsland mouth, and at Scilly ; Mount's B. 

 (Miss E. Carne), and Falmouth (Cocks) ; gen. 

 as dead shells, but several live specs, from N. 

 coast and Scilly with animal and float in perfect 

 condition 



228. lanthina exigua, Lmk. In autumn 1868 many 



thousands of lanthina, including I. exigua, were 

 cast up on the W. beaches at Scilly ; Land's 

 End (Turton) ; Hayle (Hockin) 



229. Bittium reti(u/atum,da Costa. Gen. dist., c. on 



rocky shores along S. and n. unc. on N. coast ; 

 at times abund. about 1. w. but occ. in great 

 quantity in 40 fm. ; Scilly, abund. var. lactescent 

 Jeffreys, Land's End (Hockin) 



230. Triforis perversa, Linn. Live specs, n. unc. in 



20 to 40 fm. along S. coast ; Harlyn B. (Thel- 

 well), 2 dead shells from Bude ! c. in deep water, 

 Scilly (S. & C.). var. pallescens Jeffreys, off 

 Menavawr (M.) 



231. Cerithiopns tubtrculahs, Mont. Occ. along 



S. coast 10 to 40 fm., usually on sponges; 

 abund. in one small area in deep water off the 

 Dodman ! and in two little patches 1 5 and 

 35 fm. in Falmouth B. ! occ. on N. coast ; in 

 deep water, Scilly, c. var. nana Jeffreys, 

 Menavawr and St. Mary's S. var. albescens 

 Marsh., Muncoy neck and Menavawr (M. & 

 also Smart), var. acicula Brusina, Scilly (M.). 

 var. clarkii Jeffreys, Scilly (M.) 



232. C. sublenta, Wood. Plymouth S. and in 



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

 var. interrupta Marsh., Scilly (M.). var. scalaris 

 Monteros. Scilly (M.) 



233. C. concatenata, Conti. Plymouth S. (M.), Land's 



End (Hockin), and off Menavawr, Muncoy 

 and St. Mary's, Scilly (M.). var. lactea Marsh., 

 E. of St. Mary's (M.) 



234. C. Metaxae, della Chiaje. Land's End and 



St. Merryn (Hockin) ; half a dozen dead but 

 perfect shells on gravel off Menavawr (S. & C.). 

 var. angustissima Forbes, Scilly (M.). var. alba 

 Marsh., Scilly, in 40 fm. (M.) 



235. Scala turtoni, Turton. Falmouth (J. C.), Land's 



End (Hockin), Hayle, and in deep water at 

 Scilly 



236. S. clathrus, Linn. Occ. at 1. w-m. on sandy 



beaches round coast to Hayle ; Harlyn B. 

 (Thelwell) ; n. nnc. Scilly 



237. S. trevelyana, Leach. In trawl refuse at Meva- 



gissey ! Falmouth (Cocks) ; Land's End 

 (McAndrew) ; dead shells Hayle ; Scilly in 

 deep water 



238. S. clathratula, Adams. Dead shells sometimes 



cast up on the shore all round coast and occ. 

 dredged from deep water ; empty shells not rare 

 at Scilly 



239. S. commutata, Monterosato. One spec. Porth- 



curnow (Miss Lavars, Brit. Conch, iv, p. 98) ; 

 2 at Scilly (M.) 



240. Cioniscus albidus, G. Adams. In 30 fm. off 

 Polperro (Robinson) ; Falmouth (Mont.) ; Hel- 

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

 Hayle (Hockin) ; St. Ives (M.) ; Muncoy 

 neck, Scilly (M.) 



241. AeRs ascaris, Turton. Eddystone (M.) ; Hel- 



ford, Land's End, and Hayle (Hockin) ; Wolf 

 Rk. (Miss E. Carne) ; Bude (Lindsay) ; Mun- 

 coy neck, Scilly (M.) 



