272 REV. R. B. WATSON ON THE 



p. 344) gives Aclis (Pherusa) Gulsonce, Clerk, as Madeiran on 

 my authority. I am not aware that I ever thought so ; if I 

 did I was mistaken. A. vitrea sent by me was probably the 

 species which led to the mistake on Dr. Gwyn Jeffreys's part. 



8. Acmcea virginea, 1776, Midler (as Patella), Zool. Dan. Prod. 



I. pi. xii. 4, 5: Gwyn Jeffreys, Brit. Conch, in. 218 ; & v. 200, 

 Iviii. 4. Sab. Doubtfully Arctic or Mediterranean. It 

 extends from Iceland {Torell) to Mogador {McAndrew). 

 (L., Jn.,W.) From Funchal along the whole south-east coast 

 and also to Porto Santo. Very common. 



9. Act&on pusillus, 1843, Forbes (as Tornatella), B. Assoc. Sept. 



^Egeau Inverteb. p. 191 ; Watson, Chall. Eep. p. 627; Dall, 

 < Blake ' Eep., Harv. Coll. Bull. xvm. 39. Sab. North 

 Atlantic from Cuba to Mediterranean, 40 to 1456 fms. 

 (W.) Magdalena, 100 fms., in an old jar entangled in a 

 fishing-line ; Punta de Sao Lourenc.o, 50 fms. 3 specimens. 



10. ActcBon tornatilis, 1767, Linne (as Voluta), Syst. Nat. p. 1187: 



Gwyn Jeffreys, Brit. Conch, iv. 433, viii. 4 ; & v. 224, xcv. 2. 

 Sab. From the Lofotens to the Mediterranean and Moga- 

 dor. (W.) Funchal. — I have three specimens given me as 

 from Funchal ; other specimens, too, I have seen said to be 

 from the same locality. I never found it, but (hesitatingly) 

 accept it as Madeiran on the strength of these specimens 

 and the fact that both McAndrew and Lowe got it at 

 Mogador. 



11. Adeorbis subcarinatus, 1803, Montagu (as Selix), Test. Brit. 



n. 438, vii. 9 : Gwyn Jeffreys, Brit. Conch, iv. 231, iii. 5 ; 

 & v. 216, lxxix. 1. Sab. From the English Channel to 

 the Adriatic and the iEgean. (W.) From deep water. 

 One specimen. 

 Alvania, see Eissoa. 



12. Amphidesma castanea, 1803, Montagu (as Donax), Test. Brit, 

 p. 573 : Gwyn Jeffreys, Brit. Conch, n. 413, viii. 1 : & v. 188, 

 xliii. 1. From the English Channel to the Canaries. (M., 

 L., N., Jn., W.) Everywhere; very common. 



13. Amphisphyra flava, 1897, Watson, antea, p. 234. 



14. Anomia ephippium, 1767, Linne, Syst. Nat. p. 1150: Gwyn 



Jeffreys, Brit. Conch, n. 30, i. 4; & v. 165, xx. 1. Sab. From 

 Iceland to Madeira, and from N. America to the Black Sea. 

 (M., L., N., Jn., W.) Funchal. Not common. 



15. Aplysia punctata, 1803, Cuvier, Ann. Mus. n. 295, i. 2-5 : 



