92 



Bulletin 34 



134 



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



N. H., 7, p. 74, 1915. 

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

 Lavignon petitiana and antillarum 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 by Dall in synonymy withC medialis 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-Pi. Fos. S. C, p. 50, pi. 

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

 Harris, Bull. Am. Pal. 1, No. 3, p. 92, '95 ; Dall, Proc. 

 U. S. N. M., 6, p, 338, '83; Singley, 4th Ann. Rept. 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. f p. 75, 1 915. Not of Whitfield, 1894 {—Semele sp., 

 Dall). 



7iuculiformis Conrad, 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, 15x9-1542 feet, 

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



