BRITISH MOLLUSCA. 
63 
1. Glycimeris Noryegica. 
Mya Norvegica, Spengler , Skrivt. Naturh. Selskab. iii. 46. t. 2. 
f. 18 (not Chemn . nor Gmeliri). 
Panopsea Norvegica, Loven, I. M. 49. 335 ; Sow. Min. Conch. 
t. ; Forbes Sf Hanley , Brit. Moll. i. 174. 1. 11. 
Panopsea arctica, Desk.; Gould, Invert. Mass. 37 .f. 27 ; Forbes, 
M. G. S. i. 40/. 6; Hanley, Bee. Shells, 18 ; Supp. 10. f. 43 ; 
Dekay, N. York Moll. 246 ; Thorpe, B. Mar. Conch. 38. 
Glycimeris arctica, Lamk. H. ed. 2. vi. 70 ; King, Ann. N. H. 
xviii. 243. 
Panopsea glycimeris. Bean, Mag. N. Hist. viii. 263. f. 50, 51. 
P. Bivonse, Philippi, Sicil. 8. t. 2. f. 1 ; Smith, Wern. Mem. viii. 
107. t. 2. f. 4. 
Panopsea Spengleri, Valenc. Arch, de Mus, i. 15. t. 5. f. 3 (not 
exact) ; Chenu, III. Conch, t. 4. f. 4. 
P. Aldrovandi, Bean ? (not Lamk.) 
a. Coast of Northumberland. 
Fam. 4. Nuculid^e. 
Nuculidse, D’Orb. Pal. Frang. Ter. Cret, iii. 1844; Geinitz, Grund. 
der Verst. 444, 1846; Gray, Proc. Zool. Soc. 1848, 190. 
Les Arcacees, part., Lamk. Cour. 106, 1812 ; Hist. vi. 57, ed. 2, 
v. 502. 
Arcaces, Feruss. Prod. 42 ; Bang, Man. M. 288. 
Nuculina, Agassiz, Nomenclat. 1847. 
Leptopoda, part.. Gray, Med. Bepos. 1821, 23/ . 
Arcadse, part.. Gray, Syn. B. M. 1840; 1842, 81, 91. 
Arcacea, part., Lamk. Phil. Zool. 318, 1809; Alton, Verz. Conch. 
12 . 
Arcina, part., Macgilliv. Moll. Aberd. 207. 
Polydonta, part., Blainv. Diet. Sci. Nat. xxxii. 320, 1824; Ma- 
ine. 534. 
Arcadse, part., Fleming, Brit. Anim. 382, 1828 ; Swainson, Malac. 
382, 1840; Forbes fy Hanley, Brit. Moll. ii. 214. 
Arcaria, part., Gravenhorst, Thier. 33, 1845. 
Arcacese, part., Menke, Syn. 60, 1828. 
Polybranchiata, part., Sow. Man. ed. 2. 233, misprint? 
Mactraadse, part., Leach, 1818; Ann. Sf Mag. N. H. xx. 1847, 272. 
Mactridse, part., Gray, in Sow. Gen. xvii. tab. 
1. Nucula. 
Nucula (nucleus), Lamk. Prod. 1799; Syst. A. s. V. 115, 1801 ; 
Hist. vi. 57, ed. 2. vi. 502; Leach, MSS . Ann. Sf Mag. N. H. 
xx. 272; Sow. Gen. ; Man. ed. 2. 204; Conch. Illust. 
xiv.-xvi.; Forbes Sf Hanley , Brit. Moll. ii. 214; Moller,Kroyer , 
Tidsskr. iv. 90, 91; Ind. Moll. Green. 16, 1842. 
