45 



MOUJJSCA OF THE GlJEF OF MEXICO 



I; 3 



da. Miocene : Chipola River marl and Chipola horizon, 

 Alum Bluff, Fla. 



(Acar) reticulata Gmelin 



Area reticulata Gmelin, Syst. Nat., vol. 6, p. 3311, 1792. 

 squamosa, domingensis and clathrata Lamarck, An. s. Vert., 



vol. 6, pp. 45, 40, 46, 1819. 

 gradata Broderip and Sowerby, Zool. Jour., vol. 4, p. 365, 



1829. 



divaricata Sowerby, Proc. Zool. Soc, p. 18, 1833 ; Reeve, 

 Conch. Icon., Area, pi. 16, fig. 108, 1844. 



(Byssoarea) reticulata Dall, Bull. 37, U. S. Nat. Mus., p. 42, 

 1889. 



(Acar) reticulata Dall, Trans. Wagner Inst., vol. 3, pt. 4, p. 

 629, 1898 : Sheldon, Palseont. Americana, vol. r, p. 20, pi. 

 4, figs. 8 to 12, 1916 ; Dall, Checklist. Moll. Northwest 

 Coast, p. 14, 1916 ; Maury, Bull. 29, Amer. Pal., p. 166, 

 pi. 30; fig. 16, 1917 ; N. Y. Acad. Sci., Porto Rico Surv., 

 vol. 3, pt. 1, p. 7, 1920. 

 Distribution. — Hatteras to Panama, also in the Mediterranean; 

 Pacific, California to Ecuador, tidewater to 287 fms. 

 Jacksonian Eocene to Recent. Gulf coast. — Recent : 

 west Florida and Texas ; Pliocene : Caloosahatchie River, 

 Florida. Miocene : Chipola River, Calhoun Co., Fla. 

 Upper Oligocene : Tampa silex beds. 



(Fossularca) adamsi Shuttleworth 



Area ccelata Conrad, Fos. Med. Tert., p. 61, pi. 32, fig. 2, 



1845. Not of Reeve, 1844. 

 {Acar) Adamsii Shuttleworth, in Smith Zool. Jour. Linn. 



Soc, vol. 20, p. 499, pi. 30, figs. 6, 6a, 1888. 

 (Byssoarea) Adamsi Ball, Bull. 37, U. S. Nat. Mus., p. 42, 



1889. 



(Fossularca) Adamsi Dall, Trans, Wagner Inst., vol. 3, pt. 

 4, p. 629, 1898 ; Vaughan, Carnegie Inst. Publ. 133, p. 

 171, 1910 ; Deussen U. S. G. S. Water-Supply Paper, 335, 



