4. B. Erythraea, Gray, Ann. and Mag. Nat. Hist. 2 ser. viii. 

 38:^, 1851. Red Sea. 



6. B. lanceolata, D'Oibigny, Voy. Am. Merid. 497, t. 77, f. 

 18, 19. Patagonia. 



Sub-genus ANCHOMASA, Leach. 

 Moll. Gt. Britain, p. 253. 



6. B. Manillensis, Philippi, Zeit. fiir Malak. 72, 1847. 



Sowerby, Tiies. ii. t. 103, f. 17, 18. Philippi, Neuer Con- 



chyl. iii. Pholas t. 1, f. 2. . 

 Pholas fragilis, Sowerby, Zool. Proc. 161, 1849. Thes. ii. t. 



108, f. 92, 93. 

 Pholas Manillce, Sowerby, Zool. Proc. 161, 1849. 3IaniUa. 



7. B. parva, Pennant, Brit. Zool. iv. 77, t. 49, f. 13, 1777. 



Sowerby, Thes. ii. f. 31, 32. Forbes and Hanley, t. 2, f. 2, 

 t. 4, f. 1, 2, and British authors. Philippi, Neuer Con- 

 chyl. t. 2, f. 2. Hanley, Desc. Cat. t. 2, f. 6. Wood, 

 Index Test. t. 2, f. 6. Adams, Gen. t. 89, f. 3. Chenu, 

 Man. ii. f. 19. 



AncJiomasa Pennantiana, Leach, Moll. Gt. Brit., 253, 1852. 



Pholas creiiulatus, Spengler, Skrivt. Nat. ii. pt. i. 92, 1792. 



Pholas dactylus, var., Deshayes, Lamarck, Anim. s. Vert. vi. 

 45. 



Pholas dactyloides, Lamarck, Anim. s. Vert. v. p. 445, 1818. 



Pholas ligamentimis, Deshayes, Traite Elem. 80, 1. 1, f. 11, 12. 



Pholas tuherculatus, Turton, Conch, dithyra, 5, t. 1, f, 7, 8, 

 1822. Chenu, Illus. Conchyl. t. 3, f. 3. Wood, Index 

 Test. Suppl. t. 1, f. 3. England. 



8. B. similis, Gray, In. Yates' New Zealand. 



Sowerby, Thes. ii. t. 103, f. 12—14. 

 Pholas antipoduni, Philippi, Zeitschr. fiir Malak. 71, 1847. 



New Zealand. 



9. B. subtruncata, Sowerby, Zool. Proc. 69, 1834, 



Pholas lamellosa^ D'Orbigny, Voy. Am. Merid. 498, t. 77, f. 

 20, 21. Peru, Isle Plata, Patagonia. 



Genus NAVEA, Gray. 

 Ann. and Mag. Nat. Hist., 2 ser. viii. 385. 



1. N. Newcombii, Tryon, Am. Jour. Conch, i. 39, 285, t. 2, 



f. 1 — 3, 1865. Lower California. 



2. N. nucifera, Fabricius, Spengler, Skrivt. Nat. iv. 40, t. 



10, f. 4. 9, 1798. 



18 



