15 Bulletin 38 45 



Distribution.— West Atlantic, Lat. 37° N. — 9° S. East 

 Pacific, Lat. 20° S. Mediterranean. Gulf of Mexico, West 

 Florida. Pelagic. Pleistocene to Recent. 



ORDER OPISTHOBRANCHIATA 



Genus ACTAEOf^ Montfort 



punctostriatus C. B. Adams, Jour. Bost. vSoc. Nat. Hist., 3, p. 

 323, pi. 3, f. 9, 1840, (as Tornatella); Dall, Bull. 37, U. S, 

 N. Mus., p. 84, pi. 41, f. 17, pi. 52, f. 22, '89; Tr. Wagner 

 Inst. Sci., 3. p. 14, '90; Single}', 4th Ann Rept. Geol. Surv. 

 Texas, p. 332, '92; Pilsbry, Tryon's Man. Conch, ser. i, 

 ^5) P- I57> pl- iS' f- 9^. 99> pi- ^9> f- 22, 23, '93; Dall and 

 Simpson, Bull. U. S. Fish Com., i, p. 362, 1901; Johnson, 

 Occ. Papers, Bost. Soc. N. H., 7, p. 147, 1915. 



pundahcs d'Orbigny, In La vSagra, Hist. Pol. y Nat. Isla de 

 Cuba, I, p. 230, Atlas, pi. 17, f. 10-12, 1842; (as Tornatella); 

 Dall, Proc. U. S. N. M., 6, p. 324, 1883. Not T. punctata 

 Ferussac, 1823. Not of Lea, 1833. Not of Piette, 1855. 



cubensis Gabb, Tr. Amer. Phil. Soc, 15, p. 245, 1873. 



Note. — The recent Ctib&n Aciacn piuidatus d'Orbigny 

 (preoccupied, renamed cubensis by Gabb) is now considered 

 identical with the northern punctostriattis. Act(Eon punc- 

 tatush^di (Contr. Geol, p. iii, pi. 4, f. 96) is Claiborne 

 Eocene, Ala.; 2.n6.,Jide Dall, Pliocene; Caloosahatchie beds, 

 Fla. Not Recent. 



Distribution. — Cape Cod to the Antilles, 2-63 fms. Miocene 

 (of Shiloh, New JersejO to Recent. Gulf coast: Cedar Keys, 

 Fla,, Corpus Christi Bay, Tex. Pliocene, Caloosahatchie 

 beds, Fla. 

 exilis Jeffreys, Ann. & Mag. Nat. Hist., 4th, ser., 6, p. 85, 1870; 

 Watson, Chall. Rept. Gastr., p. 624, '86; Dall, Bull. M. C. 

 Z. Harv. Coll., 18, p. 39, '89; Bull. 37, U. S. N. M., p. 84. 



