44 
SHELLS OF CUBA* 
525. Arca pexata. Say, Sagra , Cuba , ii. 320. B.M. 
Area Americana, Gray . 
526. Arca auriculata, Lamk., Sagra , Cuba, ii. 321. 
527. Arca Barbadensis, Petiver, Sagra, Cuba, ii. 321. B.M. 
Mytulus Barbadensis, Petiver. 
528. Arca hemidermos, Philippi, Sagra, Cuba, ii. 322. B.M. 
Arca antiquata, Linn. 
Arca Deshayesii, Philippi. 
Fam. 18. MYTILIXLF. 
529. Pinna pernula, Chemn., Sagra, Cuba, ii. 325. B.M. 
Pinna varieosa, Lamk. 
530. Pinna rigida, Solander , Sagra, Cuba, ii. 325. B.M. 
Pinna nobilis, Chemn. 
Pinna semimida, Lamk. 
531. Mytilus viator, d’Orb., Sagra, Cuba, ii. 327. B.M. 
Mytilus impactus, Dillwyn. 
532. Mytilus Dominguensis, Lamk., Sagra, Cuba, 
ii. 328. B.M. 
Mytilus exustus, Lamk., not Gmelin. 
533. Mytilus La^ valle anus, d’Orb., Sagra, Cuba, ii. 
328. t. 28. f. 3-5. B.M. 
534. Mytilus exustus, Linn., Sagra, Cuba, ii. 329. B.M. 
Mytilus citrinus polydentatus, Chemn. 
535. Mytilus Americanus, Favart, Sagra, Cuba, ii. 
329. B.M. 
Mytilus modiolus, Chemn., not Linn. 
Modiola tulipa, Lamk. part. 
536. Lithqbomus Niger, d’Orb., Sagra, Cuba, ii. 331. 
t. 28. f. 10, 11. B.M. 
Modiola lithophagus, var., Lamk. 
