7 2 



Bulletin 34 



250, pi. 10, f. 1, i', 1852. Not Artemis tenuis Sowerby, 

 1852. 



Cyclina tenuis Beau, Cat. Coq. Guadeloupe, p. 24, '58. 

 Mysia tenuis Dall and Simpson, 1901. 



Lucinopsis kroyeri Poulsen, '78, (not of Philippi); gundlachi 



Dunker, '78 ; tenuis Dall, Bull. 37, p. 56, '89. 

 Cyclinella tenuis Dall, Tr. W. I. S., p. 1285, 1903. 

 Distribution. — Florida to Sao Paulo, Brazil, 0-8 fms. Pliocene 

 to Recent. Gulf coast. — Texas and Cedar Keys, Fla. 

 Pliocene : Caloosahatchie. Type locality Pointe — a- 

 Petre, Guadeloupe. 



Genus CHIONE Megerle 

 cancellata Linnaeus, Syst. Nat., ed. XII, p. 1130, 1767, (as 

 Venus) 1; Sowerby, Thes. Conch., 2, p. 710, pi. 54, f. 28- 

 31, 1853 »' Hilgard, Rept. Chief of Engineers to Sec. of 

 War, p. 358, '70; Dall, Bull. 37, U. S. N. M., p. 54, '89; 

 Singley, 4th Ann. Rept. Tex., p. 327, 1892 ; Vanatta, 

 Proc. A. N. S. Phila., 55, p. 757, 1903; Mitchell, List 

 Tex. Sh. 



Chione cancellata Holmes, Post-Pi. Fos. S. C, p. 35, pi. 6, f. 

 14, '60 ; Hilgard, House of Rep. Ex. Doc. 1, pt. 2, p. 887, 

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

 Tr. W. I. S., 3, p. 1290, 1903 ; Vaughan, 2d Ann. Rept. 

 Fla. Surv., p. 148, 1909. 



Venus cigenda Dillwyn, Cat. Rec Shells, p. 161, 1817. 

 elevata Say, Jour. Acad. Nat. Sci. Phila., 1, p. 272, 1822 ; 

 lamellata Deshayes, 1853, not °f Linnaeus ; ziczac Krebs 5 , 

 not Linnaeus. 



Distribution. — North Carolina to Brazil, shallow water. Up- 

 per Miocene (?) to Recent. Gulf coast. — Recent : Ft. 

 Barranca, St. Joseph's Bay, Crooked Isl., Cedar Keys,, 

 Fla. ; Horn Isl., Miss. ; Galveston, Corpus Christi and Pt. 

 Isabel, Texas. Pleistocene : Osprey, Manatee, Labette, 

 Orient, Fla. ; New Orleans artesian well of 1856, Lake 

 Borgne borings, New Orleans pumping station No. 7, 

 New Orleans Gymnasium well at 1200 feet, Knapp's wells. 



