MARINE HOLLTJSCA OF MADEIRA. 285 



101. Cyprcea lurida, 1767, Linne, Syst. Nat. p. 1175 ; Kiener, 

 Iconog. p. 82. no. 71, pi. xxiii. 1 ; Sowerby, Thes. iv. 6, 

 sp. 7, x. 61-5 ; Eeeve, Conch. Icon., Cypraea, sp. 32, pi. ix. 

 32. Sab. Mediterranean to the Cape Verd Is., Guinea 

 Coast, and St. Helena. (W.) Porto Santo. 2 specimens. 



102. Cyprcea (Trivia) pulex, 1827, Solander, Zool. Jour. in. 368 ; 

 Kiener, Iconog. p. 142, liii. 1 ; Eeeve, Conch. Icon. sp. 144, 

 pi. xxv. ; Sowerby, Thes. iv. 44, pi. xxxvi. 492-4. Sab. 

 From Portugal to Mediterranean. (M., L., N., Jn., W.) 

 Everywhere; common. 



103. Cyprcea pyrum, 1790, Gmelin, Syst. Nat. p. 3411 ; Eeeve, 



Conch. Icon. sp. 26, pi. viii. ; Sowerby, Thes. iv. p. 25, 

 pi. xxiv. 202-5. Hab. Erom Portugal to the Canaries. 

 (L., Jn., W.) Porto Santo. Not very common. 



104. Cyprcea spurca, 1767, Linne, Syst. Nat. p. 1179 ; Kiener, 

 Iconog. p. 61, xxx. 1, la; Eeeve, Conch. Icon., Cypraea, 

 sp. 68, pi. xiv. ; Sowerby, Thes. iv. p. 38. no. 131, pi. xviii. 

 118-122 & xxxvi. 516. Hab. Erom West Indies to Portugal, 

 Mediterranean, Canaries, Mogador, and St. Helena. (L., 

 N., Jn., W.) Punta de Sao Lourengo and Porto Santo. 

 Plentiful. 



Cythertsa, see Venus. 

 Defrancia, see Pleurotoma. 



105. Diplodonta rotundata, 1803, Montagu (as Tellina), Test. 



Brit. p. 71, ii. 3 : Gwyn Jeffreys, B. C. II. 254, v. 7; & v. 

 180,xxxiii.4. Sab. Erom English Channel to Mediterranean 

 and Canaries. (M., L., N., Jn., W.) Everywhere ; very 

 common. 



106. Diplodonta trigonula, 1831; Bronn, Ital. Tertiar-Geb. p. 96, 



iii. 2 ; Philippi, Enumeratio, i. 31, iv. 6, & n. 24 (where he 

 gives both D. trigonula, Bronn, and also his own D. apicalis 

 as i£ different) ; Wood, Crag Moll. n. 146, xii. 2 a, b ; 

 Homes, Eoss. Moll. Wiener, p. 218, xxxii. 4 a, b. Sab. 

 Mediterranean to Canaries. (M., L., Jn., W.) Everywhere ; 

 very common. 



107. Dolium galea, 1767, Linne (as Buccinum), Syst. Nat. 



p. 1197; Woodward, Man. p. 115, vi. 12. Sab. From 

 Portugal to Mediterranean and Canaries. (L., W.) Eun- 

 chal, Punta de Sao Lourengo, Porto Santo ; 10 to 50 fins. 

 Not uncommon, but the specimens mostly young or in 

 fragments. 



