MARINE MOLLUSCA OP MADEIRA. 279 



to Madeira. (M., L., Jn., W.) Nearly everywhere; very 

 abundant. 



57. Cavolina* gibhosa, 1828?, E-ang (as HyalcBci) in d'Orb. Voy. 

 Amer. Merid., Moll., 1836-43, p. 97, pi. v. figs. 21-25; 

 Souleyet, Voy. ' Bonite,' Zool. ii. 144, iv. 13-19 ; and 

 Pterop. p. 38, x. 3, 4 ; Pelseneer, ' Challenger ' Eeport, pt. 65, 

 p. 82. Sal. Pelagic. (L., Jn., W.) Rare. 



58. Cavolina injlexa, 1813, Lesueur (as Hyalcea), Nouv. Bull. 

 Soc. Phil. III. 285. no. 69, pi. v. 4. A, B, c, d ; d'Orbigny, 

 Yoy. Amer. Merid., Moll. v. 103, vi. 16-20 ; Lamarck, An. 

 s. Vert. 2nd ed. vii. 422. no. 16 ; Souleyet, Pterop. p. 41, 

 iii. 9-12 ; Pelseneer, ' Challenger ' Eeport, pt. 65, p. 85. 

 Hah. Pelagic. (M., Jn., W.) Common. Note — Mcxindrew 

 gives this as Hyalcea vaginella. 



59. Cavolina quadridentata, 1821, Lesueur (as Hyalcea) in Blain- 

 ville. Diet. Sc. Nat. vol. xxii. p. 81 ; d'Orbigny (as H. quadri- 

 spinosa)., Voy. Amer. Merid., Moll. v. 85, vi. 1-5 ; Pelseneer, 

 ' Challenger' Eeport, pt. 65, p. 78. Hah. Pelagic. (Jn., 

 W.) Not uncommon. 



60. Cavolina tridentata, 1775, Porskal (as Anomia), Descrip. 

 Anim. Itin. orient, p. 124, and Icon. pi. xl. fig. h ; Wood- 

 ward, Manual, p. 204, fig. 107, & xiv. 32 ; Pelseneer, ' Chal- 

 lenger ' Eeport, pt. 65, p. 83. Hah. Lands End to Eastern 

 America ; Mediterranean to Canaries. (M., L., W.) Ears. 



61. Cavolina trispinosa, 1821, Lesueur (as Hyalcea) in Blainville, 

 Diet. Sc. Nat. xxii. 82; Souleyet, Pterop. p. 45, pi. iii. 

 1-7 ; Voy. ' Bonite,' ii. 161, vi. 1-10. Of general distri- 

 bution. (Jn., W.) Common. 



62. Cerithiopsis atalaya, 1885, Watson, Cerithiopsides from N.E. 

 Atlantic, Journ. Linn. Soc, Zool. xix. p. 94, pi. iv. 9, 9«. 

 Hah. Madeira. (Jn., W.) From Eunchal to Punta de Sao 

 Loureugo. Not uncommon. 



63. CeriiJiiopsis diadema, 1885, Watson, Cerithiopsides from 

 N.E. Atlantic, Jour. Linn. Soc, Zool. xix. p. 93, pi. iv. 8 ; 

 Gwyn Jefi"reys, Moll. Lightn. & Porcup., P. Z. S. 1885, p. 60, 

 vi. 9, 9 a. Hah. Madeira and Mediterranean. (W.) From 

 Funchal eastwards to Punta de Sao Lourengo. Frequent. 



* Note — So Abildgaard wrote his proposed genus. It would be curious to 

 learn by what authority names, except when wrong, are changed. If Cavolinia 

 and all the host of emendations so dear to the doctrinaire mind be adopted, 

 where shall change be checked ? Are we seriously enamoured of a fresh Babel ? 



