BRITISH MOLLUSCA. 
97 
Phacoides (Jamaicensis), Blainv. Malac. 1825. 
Lucina (Pensylvanica), Schum. Essai, 164, 1817. 
Tridonta (borealis), Schumach. Essai , 146, 1817 ; Schmidt. Mus . 
Goth. ; Moller, Isis , 1822, 135. 
Triodonta (borealis), Agassiz , Nomenclat . 
Thyatira (lactea), Leach, MSS . 1818, ^ May. 2V. H. xx. 
1847, 372. 
Thiatira (spuria), Leach , MSS. 1819. 
Thiatyra (spuria), G. Sow. Man. Moll. 
Strigilla (divaricata), Turton, Bivalves, 117* 
Strigella divaricata. Gray, Sy^. B. M. 1842, 91; Proe. Z. /S'. 1847, 
195 (misprint). 
Cyrachsea (spinifera), Leach, MSS. 1818, Ann . <^f May. A r . H . 
xx. 1847, 272. 
Cyrachnsea (spinifera), Leach, MSS. 1819; Gray, Ann. 8f Mag. 
N.H. 1848; Proc. Z. Soc. 1847, 195 (misprint). 
Myrtea (spinifera), Turton, Bivalves, 133,1822 ; Flem. B . A. 443; 
Philippi, Moll. Sicil. ii. 25; G. Sow. Man. ed. 2. 197. 
Ortygia, sp. (spinifera), Brown, III . Conch. G. B. 
* Triodonta. 
1. Lucina borealis. 
Venus borealis, Linn. S. N. ed. 12. 1134. no. 143 (not Syn.); 
Donov. B. S. iv. 1. 130. 
Tellina radula, Mont. T. B. 68. t. 2. f. 1, 2 — 567 ; Wood, Gen . 
Conch. 183. t. 42. f. 4, 5; Lw. Trans, viii. 84; TarL Conch. 
Diet. 175 ; BriL Faara. 151. no. 211 ; Ind. Test. t. 4. f. 71. 
Lucina radula, Lamk. Hist. ed. 2. vi. 225 ; F/em. Brit. An. 441; 
Turton, Biv. 116 ; Hanley, Rec. Shells, 75 ; Thorpe, Brit. Mar . 
Conch. 73 ; Brown, IU. Con. G. B. 98. t. 39. f. 8, 9 ; Philippi, 
Moll. Sic. i. 35. t. 3. f. 17, ii. 25; Gould, Invert. Mass. 69; 
Macgill. Moll. Aherd. 255 ; Forbes , M. G. S. i. 412. 34. 
Lucina alba (young), Turt. Brit. Biv. 114. t. 7» f* 6, 7 ; Thorpe, 
Brit Mar Conch 72 
Venus spuria, Gmel. S. N.; Chemn. vii. f. 399 ; Dillw. R. S. 194. 
Lucina antiquata, Sow. M. C. t. 557- f. 2. 
Lucina borealis, Forbes Hanley, Brit. Moll. ii. 46. t. 35. f. 5 ; 
t. M. f. 6, animal. 
Thyatira (Loripes) radula, Leach, MSS. 1818, Ann. fy Mag. N. H . 
xx. 1847, 272. 
? Britain. 
1 — t. J 
u. Bantry Bay. Presented by Miss Warne. 
v. Ireland. 
w . Teignmouth. Presented by J. B. Harvey, Esq. 
x — z ? Northumberland. 
E 
