92 BuLivETiN 34 1^4 



197, P^- 56, f- 1-5, 1906 ; Johnson Occ. Papers, Bost. Soc. 



N. H., 7, p. 74, 191 5. 

 boreahs Conrad, Am. Jour. Conch. 2, p. 76, 1866. 

 Lavignon petitiana and antillaruvi d'Orbigny, Moll. Cuba, 



2, 1846. 

 Distribution. — Prince Edward's Island to Florida. Pleistocene 



to Recent. Gulf coast. — Ft. Barranca, Fla. ; Shamrock 



Cove in Corpus Christi Bay, Texas. Pleistocene : Grand 



Chenier, La. 

 Note. — Conrad's tellinoides from the Miocene (Fos. Med. Tert. 



p. 28, pi. 15, f. 4, '38) is not identical with the recent shell, 



and is placed b}^ Dall in synonymy withC inedialis Conrad. 



Genus ABRA Leach 



aequalis Say, Jour. Acad, Nat. Sci. Phila., 2, p. 307, 1822 (as 

 Amphidesma); Conrad, Fos. Med. Tert., p. 76, pi. 43, f. 

 9, 1845 ; Tuomey and Holmes, Pleio. Fos, S. C, p. 93, 

 pi. 23, f. 3, '56 ; Holmes, Post-Pl. Fos. S. C, p. 50, pi. 

 8, f. 7, '60 ; Conrad, Proc. A. N. S. Phila., p. 574, '63 ; 

 Harris, Bull. Am. Pal. i. No. 3, p. 92, '95 ; Dall, Proc. 

 U. S. N. M., 6, p, 338, '83; Singley, 4th Ann. Rapt. Tex. 

 p. 329, '92 ; Dall, Bull. 37, U. S. N. M., p. 62, '89 ; Tr. 

 W. I. S., 3, p. 998, 1900; Vanatta, Proc. A. N. S. Phila., 

 55> P- 757) 1903 ; Johnson, Occ. Papers, 7, Bost. Soc, N. 

 H., p. 75, 1 915. Not of Whitfield, 1894 {^=^Seniele sp., 

 Dall). 

 nucidiformi s Qonrad., Am. Jour. Conch., 3, p. 14, 1867. 

 Distribution. — Hatteras to Gulf of Mexico, moderate depths. 

 Miocene (N. and S. Car.) to Recent. Gulf coast. — Re- 

 cent : Cedar Keys, Ft, Barranca, Indian Pass, St. Jo- 

 seph's Bay, Crooked Island, Fla, ; Horn Island, Miss. ; 

 Point au Fer, La. ; Galveston, Tex. Pleistocene : Gal- 

 veston artesian well, surface to 900 feet (Harris); New 

 Orleans Gymnasium well at 1200 feet ; New Orleans 

 pumping station No. 7 ; Grand Chenier ; Knapp's No. 2 

 well, Terrebonne Parish, at 1050-1190, 1519-1542 feet. 



Sioica Dall, Bull. Mus. Comp. Zool. Harv. Coll., 9, p. 133, 



