- ni - 



Family Aroiflae 

 Subfamily Arcinae 

 Genus ARGA (Linnaeus) Lamarck. 

 Suogen\3S Aroa s. s. 



-"O ' 



AROA OCCIDEKTiaiS Philippi. 



Area barlaadensis ^ i.'Or"bigny« 1845 {?), in de la Sagra, Hist., fis., 



polit. y natur. de la Isla de 'Dutia, Holts cos, p. 545, 



( Spanish ed. ) . 

 Area O ccident alls Philippi, 1347, Abbild. u. BesohreilD., vol. 3, 



p. 29, pi. 4, fig. 4. 

 Area bar"badensis d'Orbi^-ny, 185/5, in de la Sagra, Hist, ph^-s., 



polit. et na.t;ir. de I'lle de 3aba, ITollusques, vol. 



2, pp. 521, 522, (French ed.). 

 Area noae Guppy, 1855, "uart. Jour. Geol. 3oc. London, vol. 22, 



p. 295 (non Linnaeus, 17"8). 

 Aroa oeci den talis Philipni, Guppy, 1874, Oeol. Mag. , Decade 2, 



vol. 1, '->. 445 (Check list). 

 Area oooidontalis Philippi, Guppy, 1876, '^'uart. Jour. Geol. Soc. 



London, vol. 52, p. 551. 

 Area o coidentalis PhlliiDji. Dall, 1898, Trans. V/agner Free Inst. 



Sei., Philadelphia, vol. 5, pt. 4, p. 620. 



