12 



Bulletin 34 



44 



umbonata Dall, Trans. Wagner, Inst., vol. 3, pt. 4, pp. 620, 

 659, 1898 ; Idem, pt. 5, pi. 38, figs. 4, 4 a, 1900 ; Sheldon, 

 Palaeont. Americana, vol. 1, p. 8, pi. 1, figs. 12 to 17, 



1916 ; Maury, Bull. 29, Amer. Pal., p. 163, pi. 30, fig. n, 



1 91 7 ; New York Acad. Sci., Porto Rico Survey, vol. 3, 

 pt. 1, p. 6, 1920. 



Distribution. — Hatteras to Brazil. Oligocene (of Porto Rico 

 and of Tampa, Florida) to Recent. Gulf Coast. — Living : 

 west Florida and Galveston. Miocene : Chipola River, 

 Calhoun Co., Florida. Oligocene : Tampa Bay silex 

 beds. 



Subgenus BARBATIA Gray 



barbata Linnaeus 



Area barbata Linnaeus, Syst. Nat., p. 693, 1758. 

 barbata, H. and A. Adams, Gen. Rec. Moll., vol. 2, p. 534, 

 pi. 124, figs. 4, 4 a, 4 b, 1858 ; Dall, Bull, 37, U. S. Nat. 

 Mus., p. 40, 1889 ; Trans. Wagner Inst. Sci., vol. 3, pt. 

 4, pp. 614, 615, 659, 1898 ; Sheldon, Palaeontographica 

 Americana, vol, 1, p. 12, pi. 2, figs. 4 to 7, 1916. 

 Distribution. — Hatteras to Barbados and the Mediterranean, 

 in 2 to 15 fms. Gulf Coast west Florida and Texas. 

 (Dall). A common European fossil. 



(Calloarca) Candida Gmelin 



Area Candida Gmelin, Syst. Nat., vol, 6, p. 331 1, 1792. 



jamaicensis Gmelin, Syst. Nat., vol. 6, p. 3312, 1792 ; Dall, 

 (as No'etia), Bull. 37, U. S. Nat. Mus., p, 40, 1889. Not 

 a valid species. 



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

 Wagner Inst., vol. 3, pt. 4, p. 626, 1898 ; Dall and Simp- 

 son, Bull. U. S. Fish Comm., vol. 20, pt. 1, p. 460, 1901 ; 

 Sheldon Palaeont. Americana, vol. 1, p. 16, pi. 3, figs. 11, 

 12, 1916. 



Distribution. — Recent : Hatteras to Brazil, tide water to 5 fms 

 Perhaps also African. Gulf coast. — Recent : West Flori- 



