316 RET. E. B. WATSON" ON THE 



Maggiore (as Bulla), Cat. Conch. Sicil. p. 40 ; Forbes (as 

 Bulla targidula), iEgean Invert., Brit. Assoc. Bept. 1843, 

 p. 188 ; Gwyn Jeffreys (as Scaphander gibbulus), Ann. & 

 Mag. Feb. 1856, Mar. Tert. Piedm. p. 188, pi. ii. 20, 21 ; 

 Vayssiere (as WeinTcauffia diaphana), Jonr. de Conch. 1893, 

 p. 90, iv. 1-8. Hab. Mediterranean. (W.) From Funchal 

 to Punta de Sao Lourenco and Porto Santo. Rather rare. 



316. Sckismope depressa, 1897, "Watson, antea, p. 263. 



317. Sepia officinalis, 1767, Linne, Syst. Nat. p. 1095 ; Gwyn 

 Jeffreys, B. C. v. 138, vi. 3. Hab. From Norway to 

 Mediterranean. (Jn., ~W.) Rare. 



318. Siphonaria {Liriola) Gussonii, 1829, O. G. Costa (as 



Ancylus), Oss. Is. Pant. &c. p. 20. no. 25 ; Philippi (as 

 Patella pellucida), i. p. Ill, vii. 7, & (as P. Gussonii) p. 255 ; 

 & vol. ii. p. 84. Of. Dall, Jonr. de Conch. 1878, p. 68, & 

 1879, p. 285, with many other valuable references given by 

 the Marquis of Monterosato in his ' Nomenclatura,' p. 150. 

 Sab. California,"West Indies, and Mediterranean. (M., L., 

 Jn., W.) Everywhere abundant. 



319. SJcenea planorbis, 1780, Fabricius (as Turbo), Faun. Gronl. 

 p. 384 : Gwyn Jeffreys, B. C. iv. 65, i.4 ; & v. 202, lxx. 1. 

 Hab. From Spitzbergen to Greenland and Florida and to 

 the Mediterranean. (Jn., W.) All along the S.E. shore and 

 Porto Santo. Very abundant. 



320. Solarium Arcliita;, 1830, O. G. Costa, Cat. Test. Taranto, 



Acad. Sc. in. 40, & Fauna Napoli, p. 5, i. 1 ; Monterosato, 

 Notiz. Solar. Medit. p. 10, figs. 21-23. Hab. From Bay 

 of Biscay to St. Helena and Mediterranean. (Jn., W.) 

 Funchal. Very rare. 



321. Solarium faJlaciosum, 1872, Tiberi, Bull. Mai. Ital. v. 35; 

 Monterosato, Solarii Medit. p. 8, figs. 12-20. (= Sol. 

 siculum, Cantr., probably, and to S. stramineum, auct. nee 

 Lam.) Hab. Mediterranean. (Jn., "W.) Very rare. — 

 McAndrew's List gives this sp. (as S. stramineum) for Vigo, 

 but not for Madeira, nor for the Canaries ; and represented 

 so poorly as are both this species and the preceding one, they 

 must be held as a little doubtfully indigenous to Madeira. 



322. Solarium hybridum, 1767, Linne (as Trochus), Syst. Nat. 

 p. 1228 ; Lamarck, An. s. Vert. vn. 4 ; & 2nd ed. ix. 99; 

 Philippi, Enumeratio (as S. luteum), i. 74, x. 127 ; Montero- 

 sato, Solarii Medit. p. 7, figs. 10,11. Hab. Mediterranean 



