A HISTORY OF CORNWALL 



326. Tornatina truncatula, Bruguiere. Dead shells not 



infrequently found along S. coast ; and at Maw- 

 gan Forth (Perrin), and Harlyn B. (Thelwell) ; 

 live specs, in 3 ofm. off Polperro (Robinson) ; in 

 40 fm. off the Dodman ! in Falmouth B. ! on 

 the Menavawr gravels abund. (S. & C.). var. 

 pellucida Brown, Scilly (M.) 



327. T. obtusa, Mont. Helford; Mount's B. (Pen- 

 zance List) ; Hayle (Hockin) ; Crow S. and at 

 Guthers, Scilly, but r. (S. & C.). var. lajonkai- 

 reana Bast. Scilly with the type (S. & C.) 



328. T. nitidula, Loven. Scilly (M.) 



329. T. umbilicata, Mont. Dead shells, Falmouth ; 



in 1 2 fm. off Pennance ! Mount's B. ; Hayle 

 (Hockin) ; Crow S., Scilly c. (S. & C.) 



330. Diaphana expansa, Jeffreys. Several dead specs. 



obtained by Marshall off Menavawr, the first 

 English record 



331. D. byalina, Turton. Obtained occ. in trawl 



refuse, occ. in the stomach of Trig/a lyra ; 

 Mevagissey ! Falmouth (Cocks) ; Helford ! 

 Porthcurnow, dead shells ; Land's End (Hockin) ; 

 i or 2 only, deep water, Scilly (S. & C.) 



332. Scaphander lignartus, Linn. C. on most of the 



trawling gnds. along S. coast ; in muddy 

 sand in 12 fm. off Pennance, and in 10 fm. off 

 Helford river ! occ. in sand at 1. s. t. ; some- 

 times at Hayle, and sparingly at Scilly. var. 

 alba Jeffreys, Mount's B. (Tregelles) and Hayle 

 (Miss Hockin) 



333. Volvulella acuminata, Bruguiere. Dead shells 



round Plymouth and off Polperro ! off Nare 

 Pt., Helford (Hockin) 



334. Bulllnella cylindracea, Pennant. N. unc. locally 

 on S. coast in muddy sand ; near Fowey ! in 

 Falmouth Harb. (Mont.) ; in 1 2 fm. off Pen- 

 nance ! in Mount's B. (Tregelles) ; n. unc. 

 Hayle ; v. c. on muddy patch in 8 fm., Pad- 

 stow B. ! Crow S., Scilly (S. & C.) 



335. Haminea hydatis, Linn. Occ. abund. in Zos- 



tera beds and in muddy sand in shallow water 

 on S. coast, and at Scilly ; very local, Ply- 

 mouth ; in 1902 v. abund. Falmouth, in 1903 

 and 1904 rr., in 1905 none found ! 



336. Roxania utriculus, Brocchi. One spec, off Penlee 



Pt. (M.B.A.) ; Falmouth (Hockin) ; in 1 2 fm. 

 off Pennance ! Mount's B. (M.) 



337. Accra bullata, Muller. Occ. about Falmouth 

 and Helford ; Scilly (Lord Vernon and 

 A. H. Cooke). Vallentin obtained young 

 specs, at Falmouth in the sub-genital pits of 

 Aurelia aurita 



338. Phillne scabra, Mull. One spec. Whitsand Bay 



(M.B.A.) ; Falmouth ; Mount's B. ; Hayle 

 (Hockin) ; one at Mawgan Forth (Perrin) ; 

 dead shells c. in Crow S., Scilly (S. & C.). 

 var. circa Marsh., dredged off Muncoy, Scilly 

 (M.) 



339. P. catena, Mont. In 40 fm. off the Dodman ! 



in 20-25 frn- Falmouth B ! Mousehole 

 (Dennis) ; Porthcurnow, dead shells ; Land's 

 End (Hockin) ; i spec. Harlyn B. (Thelwell) ; 

 in St. Mary's S. and off Menavawr, Scilly (M.). 

 var. zona Jeffreys, off Menavawr, Scilly (M.) 



340. Philine angulata, Jeffreys. St. Ives and Scilly 



(M.). var. circumlustra Marsh., off the Eddy- 

 stone in 28 fm. (M.) 



[P. quadrata, S. V. Wood. Marked as Cornish 

 by Hockin, but no authentic spec, has been 

 preserved] 



341. P.punctata, ]. Adams. N. unc. locally along S. 



coast from shallow water down to 40 fm. ; 

 Hayle and among Obella at Padstow ! Scilly 

 (Jenkinson). var. cingulata Marsh., Sennen, and 

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



342. P. pruinosa, Clark. Falmouth (Miss Vigurs) ; 



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



343. P. mtida, Jeffreys. Mount's B. (Chaster and 



Burkill) 



344. P. aperta, Linn. C. on sand, and esp. on 



muddy sand round coast to Hayle ; c. Padstow 

 B., 1902 ! Scilly (Jenkinson) 



[Colpodaspis pusilla, M. Sars. A spec. February 

 1893 on rough ground about 2 m. S. of the 

 Mewstone, Plymouth S. (M.B.A.)] 



345. Llmacina retroversa, Fleming. Falmouth Harb. 



(Hockin) ; Mount's B. (Penzance List) ; Mena- 

 vawr, Muncoy and St. Mary's S., Scilly (M.). 

 var. macandreae, F. & H. Scilly (M.) 



[Cavo/inia tr'upinosa, Lesueur. Marked as Cornish 

 by Hockin, but no spec, preserved] 



346. Aplysia punctata, Cuvier. N. unc. along S. 



coast at 1. t-m., and in shallow water ; some- 

 times abund. about Falmouth among Zostera ; 

 very fine on St. Martin's Flats, Scilly (M.) 



347. Clione limacina, Phipps. Pelseneer (Challenger 



Report) says : ' There is in the coll. of the 

 Museum d'Histoire Naturelle of Paris a spec, 

 from Falmouth, presented by Leach ' (Norman) 



348. Pleurobranchus plumata, Mont. N. unc. locally 



along S. coast from under stones at 1. w-m. 

 down to 25 fm. ; dredged in the roadstead, 

 St. Mary's, Scilly (S. & C.) 



349. Oscanius membranaceus, Mont. Very variable 



in numbers along the S. coast from the Zostera 

 beds down to 30 fm. ; Scilly, on Zostera oft 

 Cam Nea (S. & C.) 



350. Runcina connata, Quatrefages. Small specs, abund. 



below Plymouth Hoe, Apr. 1889 (M.B.A.) ; 

 in tidal pools between Gyllyngvase and Swan- 

 pool, April, 1901 ! 



NUDIBRANCHIA 



351. Hermaea bifida, Mont. Four specs, at different 



times on the Cornish side of Plymouth S. 

 (M.B.A.) 



352. H. dendritica, A. & H. One near Polperro 



(Robinson) ; 4 from the Devonshire side of 

 Plymouth S., 2 Drake's Is. (M.B.A.) 



353. Stiliger bellulus, d'Orb. Ten specs, dredged in 



Cawsand B., 3 August, 1892 (M. B. A.) ; had 

 previously been lost to science for sixty years 



354. Elysia viridis, Mont. Queen's Gnd, Plymouth 



S. (M. B. A.) ; 3 in tide pool near Meva- 

 gissey ! 



154 



