BRITISH MOLLUSCA. 
Ill 
1825; Gray , Med. Repos . 1821; Proc. Zool. Soc. 1847, 197; 
Forbes fy Hanley , Brit. Moll. ii. 233. 
Arcana (Nose), Rafinesque, Anal. Nat. 1815. 
Area, § a, D’Orbigny. 
Navicula (Nose), Hebenstr. Disser. 1728? (not Spix ); Blainv. 
Diet. Sci. Nat. x. 216, 1818; Malac. 535, 1825 ; Anton , Verz . 
12,1839. 
Byssoarca, Swainson, Zool. Illust. Elem. 1835; Malac. 1840. 
Daphnsea and Daphnseoderma, part., Poli, Test. Sicil. 1795. 
Pectunculus (mesol), Adanson, Seneg. 1759. 
Musculus polyleptoginglymus, Klein , Ostrac. 167, 1753. 
Cyphoxis, sp., Rafinesque , Journ. Phys. lxxxvii. 247, 1819. 
Litharca (Lithodomus), Gray, Syn. Brit. Mus. 1842, 81, 1844. 
1. ArCA TETRAGONA: 
Area tetragona, Poli, Test. Sicil. ii. 137. t. 25. f. 12, 13 ; Lamk . 
Hist. 2nd ed. vi. 461 ; Turt. Biv. 167. 1. 13. f. 1 ; Forbes, Mai . 
Mon. 41. t. 3 ; Flem. B. An. 398 ; Brown, Bl. C. ed. 2. 86. t. 33. 
f. 20, 21; Reeve, Conch. Icon. Area, 1. 15. f. 100 ; Thorpe, Brit. 
Mar. Conch. 102 ; Philippi, Moll. Sic. i. 57 ; Hanley, Rec. 
Shells, Supp. 1. 19. f. 13 ; Forbes fy Hanley, Brit. Moll. ii. 234. 
t. 45. f. 9, 10; t. P. f. 1, animal. 
Area Nose, Mont. T. B. 139. t. 4. f. 3 (not Linn.); Don. B. S. v. 
t. 158. f. 1,2; Turt. Diet. 9. f. 58 ; Brit. Faun. 161. no. 285 ; 
Muller, Z.DA; Couch, Corn. Faun. pt. ii. 30; Brown, Bl. Conch. 
G. B. 86. t. 33. f. 1-3. 
Area cardissa, Lamk. Hist. 2nd ed. vi. 463 ; Alder, Cat. Moll. 
North. 79; Delessert , Rec. Coq. t. 11. f. 14; Hanley, Rec. 
Shells, i. 153. 
A. tortuosa, Penn, (not Linn.) B. Z. iv. n. 57 ; Borlase, Cornw . 
t. 28. f. 15, 16. 
A. papillosa, Brown, Wern. Mem. viii. 1. 1. f. 19. 
Daphnsea fusca, Daphnseoderma Nose, Poli, ii. 258, 259. 
A. navicularis, Desh. (not Brug.) ; Lamk. Hist. 2nd ed. vi. 462 ; 
Philippi, Moll. Sic. ii. 42 ; Loven, I. M. 33. no. 253. 
A. Britannica, Reeve, Conch. Icon. Area, t. 15. f. 98. 
A. rhombea, Couch, Corn. Faun. pt. ii. 31. 
Area fusca, Solander, MSS. ; Don. B. S. v. t. 158. f. 3 (not 
Brug.); Leach, MSS. 1818, Ann . Sf Mag. N. H. xx. 272; 
Mont. T.B. Supp. 51; Turt. Conch . Diet. 10; Brit. Biv. 166; 
Flem. B. An. 397 ; Couch, Corn. Faun. pt. ii. 30 ; Thorpe, Brit. 
Mar. Conch. 101; Brown, Bl. C. G. B. 86. t. 33. f. 4, 5. 
A. imbricata, Dillw. i. 226 (not Brug.). 
Balanus Bellonii, List. Conch, t. 367. f. 207- 
a, b. Near Bantry. 
c — k. Coast of Galway. Presented by G. B. Sowerby, Esq. 
I — t. Dunbar. (Mus. Mont.?) 
