BRITISH MOLLUSCA. 
65 
Area nucleus, Mont. T.B. 14 ; Dillw. Rec. Shells , i. 244 (part.). 
a — g. Britain. 
h — o. Near Edinburgh. Presented by Miss Greville. 
4. Nucula radiata. 
Area nucleus, Pulteney, Hutch. Dors. 35 ; Mat. Sf Rack. Dors . 
Cat. 3 7 ; Turt. Conch. Diet. t. 8. f. 1, 2. 
Nucula nucleus, Turton, Bivalves , 176. t. 13. f. 4; Thorpe , Brit. 
Mar. Conch. 105. f. 74 ; Macgilliv. Moll. Aberd. 243. 
Nucula nuclea, Flem. B. An. 401. 
N. margaritacea, Blainv. Man. Malac. t. 65. f. 5 ; Sow . Conch. 
Man. f. 137. 
Nucula radiata, Hanley ; Forbes Sr Hanley, Brit . Moll. ii. 220. 
t. 47. f. 4, 5 ; t. 48. f. 7. 
a — d. Britain. Presented by R. M ‘Andrew, Esq. 
e — j. Teignxnouth. Presented by J. B. Harvey, Esq. 
k — x. Britain. 
y — i i, old and young. Britain. 
5. Nucula decussata. 
Nucula decussata, Sow. Conch. III. Nucula, n. 27. f. 18 ; Thomp- 
son, Ann. Sf Mag. N. H. xx. 174; Hanley, Rec. Shells, i. 
Supp. t. 20. f. 8 ; Forbes Sf Hanley, Brit. Moll. ii. 221. t. 47. 
f. 1-3. 
Nucula sulcata, Broun, Ital. Teri. geb. 109; Philippi, Moll. Sic. 
ii. 45 ; Wiegmann’s Archiv. Nat. 1845, 192. t. 7- f. 24, 25. 
Nucula Polii, Philippi, Moll. Sic. i. 63. t. 5. f. 10 ; Jeffreys, Ann. 
Nat. Hist. xix. 313. 
a—f. Scotland. 
g ?. Dublin Bay. Presented by J. G. Jeffreys, Esq. 
2. Leda. 
Leda (rostrata), Schumacher, N. Essai, 172. t. 19. f. 4, 1817 ; 
Moller, in Kroger’ s Naturh. Tidsskr. iv. 91 ; Ind. Moll. Green. 
17, 1842; Loven, Ind. Moll. 
Lembulus (minutus), Leach, MSS. 1818 ; Ann. Sf Mag. N. H. 
1847, 272. 
Lembulus (rostrata), Leach, MSS. 1819, in Ann. Sf Mag. N. H . 
1848; in Risso, Eur. Merid. iv. 319, 1826. 
Nuculana (rostrata), Licht. Mus. Berl. 1818. 
Dacryomya (lacryma), Agassiz , Mem. monies Moll. i. 34; in Sow. 
Min. Conch, ed. Germ. 500, 578, 1839. 
Nucula, sp., Lamk. Hist. 
1. Leda Montagui. 
Nucula Montagui, Gray, Ann. Phil, 1825, 138. 
