BRITISH MQLLUSCA. 
63 
1. Glycimeris Norvegica. 
My a Norvegica. Spengler , Skrivt. Naturh. Selskab. iii. 46. t. 2. 
f. 18 (not Chemn. nor Gmelin). 
Panopsea Norvegica, Loven , I. M. 49. 335 ; Sow . Min. Conch. 
t. ; Forbes Sf Hanley , Brit. Moll. i. 174. t. 11. 
Panopsea arctica, Desk. ; Gould, Invert. Mass. 37. f. 27 ; Forbes , 
M. G. S. i. 407. 6; Hanley, Rec. 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 ; Rang, Man. M. 288. 
Nucuiina, Agassiz, Nomenclat. 1847. 
Leptopoda, part.. Gray, Med. Repos. 1821, 237- 
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. 
Poly bran chiata, part., Sow. Man. ed. 2. 233, misprint? 
Mactraadse, part., Leach, ISIS; 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; Mbller, Kroyer, 
Tidsskr. iv. 90, 91; Ind. Moll. Green. 16, 1842. 
