43 MOLLUSCA OP THE GuLP OP MEXICO II 



Distribution.— Norway to Yucatan, 85 to 1095 fms. Gulf of 

 Mexico, Yucatan Strait, 640 fms. (S. S. Blake) 



minuta Philippi 



Pediinadus vihmhis Philippi, En. Moll. Sic, vol. i, p. 63, 



Tab. 5, fig". 3, vol. 2, p. 45. 

 77iim'.ta Dall, Bull. Mus. Comp, Zool., vol, 9, p. 119, 1881 ; 

 Idem, vol. 12, p. 236, 1886 ; Bull. 37, U. S. Nat. Mus., p. 

 42, 1889. 

 Distribution. — Norwaj^ to Barbados, 30 to 2221 fms. Miocene 

 to Recent. Gulf of Mexico west of Florida, 30 fms. 

 tenella Jeffreys, Ann. Mag. Nat. Hist., p. 433, 1876. 



tenella Dall, B. M. C. Z., vol. 9, p. 118, 1881 ; Idem, vol. 

 12, p. 236, 1886; Bull. 37, U. S. Nat. Mus., p. 42, 1889. 

 Distribution.— North Atlantic to Cuba, 197 to 2033 fms. Gulf 

 of Mexico west of Florida {S. S. Blake). 



Genus ARCA Linnaeus 



OCCidentalis Philippi, Abbild. u. Beschr., vol. 3, p. 14, pi. 17 b, 



figs. 4 a-c, 1847. 

 2ebra, Swainson, (in part), Zool. 111., No. 26, pi. 118, 1831. 

 no(eT)Q\\, Bull. 37, U. S. Nat. Mus., p. 40, 1889. Not A. 



noce Linnaeus of the Mediterranean fauna. 

 OCCidentalis 'Sh^i^SiU, Palseont. Americana, vol. i, p. 8, pi. i, 



figs. 8 to II, 1916. 

 ocddentalis Maury, Bull. Amer. Pal., No. 29, p. 163, pi. 29, 



fig- 3' 1917- 

 Distribution. — Hatteras to Yucatan, i to 20 fms. Miocene to 



Recent. 

 Gulf Coast.— Living on west coast Florida. Pliocene : Caloos- 

 ahatchie marls, Fla. 

 umbonata Lamarck, An, s. Vert., vol. 6, p. 37, 1819. 



imbricata Dall, Bull. 37, U. S. Nat. Mus., p. 40, 1889,; 

 Mitchell, List Texas Shells, Not A. imbricata of Bru- 

 guiere. 



