FAMILY 5. MACTRACEA. 65 



PL XLV. Fig. 2. 



Mesodesma striatum, Deshayes, Eric. Meth., vol. ii. p. 443. Quoy et 



Gaimard, Voy. de l'Astrolabe, pi. 82. f. 15 to 17. 

 Mactra striata, Gmelin. 

 Crassatella striata, Lamarck. 

 Erycina striata, Sowerby. 



PI. XLV. Fig. 3. 



Mesodesma arctatum, Gould, Invert, of Massachusetts, p. 57. f. 39. 

 Mactra arctata, Conrad. 

 Mactra subtriangulata, Wood. 



PL XLV. Fig. 4. 



Mesodesma donacia, Deshayes, Enc. Meth., vol. ii. p. 442. 

 Mactra donacia, Lamarck. 



PI. XLV. Fig. 5. 



Mesodesma donacilla, Deshayes, Enc. Meth., vol. ii. p. 444. Payran- 



deau, Cat. Moll, de Corse, p. 31. 

 Amphidesma donacilla, Lamarck. 

 Erycina plebeia, Sowerby- 

 Donax plebeia, Montague. 

 Crassatella cuneata ? Lamarck. 



PI. XLV. Fig. 6. 



Mesodesma glabratum, Deshayes, Note in new edition of Lamarck, 



p. 133. 

 Crassatella polita, Lamarck. 

 Erycina complanata, Sowerby. 



VOL. I. 



