300 EEV. E. B. "WATSOIS" OJST THE 



Hah. From tlie Bay of Biscay to Mediterranean and 

 Canaries, (M., L., IST., Jn,, "W.) Very common everywliere. 



220. Patella ccerulea, 1767, Linne, Syst. Nat. p. 1259 {see Han- 

 ley, Ips. Linn. Conch, p. 421) ; Philippi, Enum. i. 110, 

 II. 84, yii. 5 ; Hidalgo, Moll. Mar. Esp. pi. 1. 1-8, li. 1, 2; 

 d'Orbigny (as P. crenata), Moll. Canar. p. 97, pi. vii. 1-8. 

 Hah. Bay o£ Biscay to Mediterranean and Canaries. (M., 

 L., ISr., Jn., W.) Yery common everywhere. 



221. Patella rustica, 1767, Linne, Syst. Nat. p. 1261 ; "Wood (as 



P. lusitanica, Grmel., see Syst. Nat. p. 3715), Index Test, 

 p. 188, pi. xxsvi. 66 : Lamarck (as P. punctata), An. s. 

 Yert. VI. (1) 333; ed. 2''^ Deshayes, vii. 537. no. 34; 

 Delessert, pi. xxiii. 4 ; Eeeve (as P. nigropunctatd). Conch. 

 Icon. pi. xxxiii. 57 ; d'Orbigny, Moll. Canar. p. 97, pi. vii B. 

 13-15. ^«&. Bay of Biscay to Canaries. (M., L.,N., Jn.r 

 W.) Yery common everywhere. 



222. Patella vulgata, 1767, Linne, Syst. Nat. p. 1258 ; d'Orbigny 



(as P. Candei), Moll. Canar. p. 98, pi. vii e. 11, 12 : Gwyn 

 Jeffreys (as P. vulgata), B. C. iii. 236, v. 3 ; & Y. ivii. 1-4. 

 Hah. From north of Norway to Mediterranean and Canaries. 

 (M., L., N., Jn., "W.) Yery common everywhere. 

 Patella Gussonii, see SipJionaria. 



223. Pecten corallino'ides, 1839, d'Orbigny, Moll. Canar. p. 102, 



pi. viiB. 20-22; Sowerby, Thes. Conch, i. 65, xii. 3,4; 

 Kiister, in Mart. & Chemn. Conch. -Cab. 2nd ed. vii. pt. 2, 

 p. 58, pi. XV. 7-9 (who denies the correctness of Sowerby's 

 identification, which may however pass). Hah. Canaries 

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

 common. 



224. Pecten fenestratus, 1843, Forbes, Brit. Assoc. Eeport, 



p. 192 ; Gwyn Jeffreys (as Pleuronectia), Med. Moll., Ann. 

 & Mag. July 1870, p. 40, and (as Amussium) in Report on 

 the Lightn. & Pore. Exped., P. Z. S. 1879, p. 561 (identify- 

 ing Forbes' sp., however, with Pecten Philippii, Acton, 

 Eieerche Conch, fig. 1 =P. Actoni, v. Martens, Malak. 

 Blatter, 1857, p. 194, iii. 1-3, but mentioning at the same 

 time some remarkable features of the species which made 

 him hesitate in the identification). Kobelt, Prodromus, 

 p. 440, extends this synonymy, and in his Monograph in 

 the Conch.-Cab. 2nd ed. p. 268, pi. Ixx. ff". 7, 8 (a copy of 

 Acton's figure), quotes Yerrill, Proc. U. S. Nat. Mus. 1880, 

 p. 403, and also Trans. Connect. Acad. 1882, r. p. 582, for 



