BRITISH MOLLUSCA. 
53 
4. ZlRF^EA. 
Zirfsea (crispata), Leach , MSS. Brit. Mus. ; Gray, Syn. B. M. 
1840 ; ed. 1842, 76, 91 ; P. Z. S. 1848, 188. 
Pholas, sp., La?nk.; Leach, 1818, 
1. ZlRFiEA CRISPATA. 
Pholas crispata, Linn. S. N. 1111; Don. B. S. ii. t. 62; Linn. 
Trans, viii. 32 ; Turt. Diet. 146 ; Biv. 6 ; Brit. Faun. 145. 
no. 1 72 ; Flem. B. A. 456 ; Brown , III. Conch. 114. t. 9. f. 1-5 ; 
Dillw. R. S. i. 40 ; Macgill. Moll. Aherd. 306 ; Thorpe, B. M. 
Conch. 29 ; Wood, Gen. Conch. 81. 1. 15. f. 2, 5 ; Cat. t. 2. f. 5; 
Spengler, Skrivt. Selsk. ii. 96 ; Lamk . Hist. ii. 46 ; Dekay, 
Moll. N. Y. 247. t. 32. f. 506; Loren, I. M. 50. 342; Forbes, 
M. G. Surv. i. 407. n. 3 ; Forbes Sf Hanley, Brit. Moll. i. 114. 
t.4. f. 3, 4, 5. 
Ph. crispatus, Mont. T. B. 23; Chemn. Conch, viii. 369. t. 102. 
f. 872-874; Penn. B. Z. ed. 4. iv. 65. t. 40. f. 12. ' 
Ph. bifrons, Da Costa, 242. 1. 16. f. 4. 
Solen crispus, Gmel. S. N. 3228. 
Var. Small. 
Pholas parvus. Da Costa, Conch. 24 7; Don. B. S. i. t. 69. 
Lister, Conch, t. 436. f. 279 ; Fncy. Meth. t. 169. f. 5. 
a, b. Scotland. Presented by the Duke of Gordon, 
c—j. Britain. 
k — m. Ramsgate and Scarborough. Presented by Mrs, Ro- 
binson. 
n — s. Scarborough. 
t, u, jun. Britain. 
5. Xylophaga. 
Xylophaga, Turton, Brit. Bivalves, 16. 253; Flem. B. A. 409, 
455, 1828 ; Latr. Fam. Nat . ; Sow. Gen. fig. ; Forbes fy Han- 
ley, Brit. Moll. i. 89 ; Loven, Ind. Moll. Scand. 50. 
Xilophaga, Herrmanns en, Ind. 713. 
Pholas, sp., Desh. in Lamk. H. A.s. V. 
1. Xylophaga dorsalis. 
Teredo dorsalis, Turt. Conch. Diet. 185 ; Bivalves, 16. t. 2. f. 4, 5. 
Xylophaga dorsalis, Turt. Biv. 253. t. 2. f. 4, 5 ; Sow. Gen. f. ; 
Loven, I. M. 50, 343 ; Thompson , Ann. fy Mag. N. H. xx. 159 ; 
Sow. Man. Conch, f. 50, 51 ; Forbes 8$ Hanley, Brit. Moll. i. 90. 
1. 11. f. 3, 4. 
Pholas xylophaga, Desh. Lam. H. ed. 2. vi. 47. 
Xylophage dorsale, Chenu, Trait. Flem. 40. f. 122, 123. 
a (group in situ, in wood). Dock gates, Ardrossan, Ayrshire, 
Presented by W. Thompson, Esq. 
