64 Bulletin 34 96 



New Orleans Gj-mnasium well at 1200 feet, Knapp's 



wells, Terrebonne Parish No. i at 2000-2150, 2250-2450, 



No. 2 at 1 190-1430, 179 1 -1842, No. 3, 1 200- 1 300 feet. 



Pliocene : Caloosahatchie and Shell Creek, Fla. Upper 



Miocene ; Galveston well at 2552-2600 feet (Harris). 

 (Fragum) medium Linnaeus. Syst. Nat., ed. X, p. 67S, 1758 : 



Reeve, Conch. Icon., 2, Cardhim, pi. 6, f. 30, 1844 ; Dall, 



Bull. 37, U. S. N. M., p. 52, '89; Tr. W. I. S., 3, p. 



iioi, 1900 ; Proc. U. S. N. M., 23, p. 386, '01 ; Glenn, 



Miocene, Md. Geol. Surv., p. 322, pi. 86, f. 6 <a;, 6 b, 1904. 

 Hemicardium columba Heilprin, Tr. W. I. S., i, p. 93, pi. 11, 



f. 26, 1886. 

 Distribution. — North Carolina to Santa Marta, Brazil, 2-15 fms. 



Miocene (Md. and N. Car.) to Recent. Gulf coast. — W. 



Florida. Pliocene : Caloosahatchie and Shell Creek. 

 (Trigoniocardia) galvestonense Harris, Bull. Am. Pal., i, No. 3, 



p. 91, pi. I, f. 3, ■^a, 1895 ; Olsson, Nautilus, 7, p. 102, 



pi. 6, f. 8, 9, II, 12, Jan., 1914. 

 Distribution. — Miocene of the Galveston well at 2443-2871 



feet (Harris), and of the Choptank River, Maryland. 



(Olsson). 

 (Trigoniocardia) apateticum Dall, Tr. W. I. S., 3, p. 1105, pi. 40, 



f. 15, pi. 48, f. 6, 1900. 

 Distribution. — Miocene of Oak Grove, Santa Rosa Co., Fla., 



and of the Mobile Oil Co.'s No. i well. Mobile, Ala., at 



1500- 1 556 feet, No. 2 well, Bascom, at 1241 feet. 

 (Papyridea) spinosum Meuschen, Mus. Gevers, p. 442, 1787, (as 



Cardia); Dall, Tr. W. I. S., 3, p. 1106, 1900; Proc. U. 



S. N. M., 23, p. 387, '01. 

 bullatum of nianj^ authors but not of Linnaeus. 

 soleniforme Bruguiere, Enc. Meth., Vers., i. p. 235, 1789 ; 



Wood, Gen. Conch., p. 233, pi. 56, f. 3, 181 5. 

 Note. — Meuschen's description of spinosum, according to Dr. 



Dall, was based on a figure by Lister of a Jamaican shell. 



The Pacific form aspersJim Sowerby is exceedingly close 



to this Atlantic species. 



