198 



704. Senilia, Gray, 1840, 1844, 51. Area, Swains. 1840. Area 1 d, 

 Alton. Pectunculus (Tagan), Adans. 1757. A. senilis. 



705. Argina, Gray, 1840, 1844, 81. Area, n. s. 



706. Lunaria, Gray, 1840, 1844, 82. Area, n. s. 



707. Anadara. Area, sp. Linn., Lamk., Sivains. Pectunculus Ana- 

 dara, Adans. 1757. Area rhomboides, Blainv. Area antiquata. 



708. Scapliarea. Area, sp. Brug., Lam. Area insequivalvis. 



709. Cucullsea, Lam. 1801. Area /3, B'Orb. Area cucullus. 

 1 Area, sp. Philippi. Area pectunculoides. 



710. Axinea, Poll, 1795. Axinsea, O/cen, 1815. Area pilosa. 

 Pectunculus, Lam. 1801. Glycimeris, Humph. 1/97; Solander. 



Area Pectunculus. 

 Pectunculus, Megerle, 1811. Area Glycimeris. 



711. Limopsis, Sassi, 1827 ; Cantraine, 1835. Area, sp. Brocchi. 

 Pectunculus, sp. Philippi. Limnopsis, Gray, 1840. Crenella, 

 Herrm. 1846 ; not Brown. Area aurita. 



712. ? Trigonoccelia, Nyst fy Gal., B'Orb. Trigonoceelius, Bronn. 

 Trigonocselia, Nyst. 



713. ? Cannabina, Gray, 1840. 



Order IV. POGONOPODA. 

 Fam. I. TRIDACNIM. 



714. Hippopus, Martini, 1773. Tridacna, sp. Brug. 1792. Tri- 

 dachna, sp. Humph. 1797. Tridacna, Lam. 1801 ; Schum. 1817. 

 Hippopodes, Gevers, 1787- Chama gigas. 



715. Tridacna, sp. Brug. 1792. Tridachna, sp. Humph. 1797. Hip- 

 popus, Lam. 1799, 1801; Schum. 1817; not Martini, 1773. 

 Pelvis, Megerle, 1811. Cbaina Hippopus. 



Fam. II. MYTILID^l. 



716. Mytilus, Linn.; Lam. 1801. Perna dotel, Adans. 1757. 

 Perna, Retz. 1788; Schum. 1817. Callitriche and Callitricho- 

 derma, sp. Poli, 1795. Mytulus, Retz. 1788. Mytuli, Gevers, 

 1/87. Myt. edulis. 



Mytilus, Swains. 1840. M. acbatinus. 



717. Volsella, Scopoli, 1 777 . Modiola, Lam. 1 801 . Modiolus, Risso, 

 1826; Forbes. Mytilus (3, Schum. 1817. Mytilus a, Blainv. 

 Callitriche and Callitrichoderma, sp. Poli. Tamarindiformes, 

 Gevers, 1787. Mytilus Modiolus. 



Perna lutat, Adans. 1757. M. 1 



Amydalum, Megerle, 1811. Myt. arborescens. 



