0 



Bulletin 38 



45 



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

 Pacific, I^at. 20° vS. Mediterranean. Gulf of Mexico, West 

 Florida. Pelagic. Pleistocene to Recent. 



ORDER OPISTHOBRANCHIATA 



Genus ACTAEON Montfort 



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

 323, pi. 3, f. 9, 1840, (as Tornatclla); 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}^ 4tli Ann Rept. Geol. Surv. 

 Texas, p. 332, '92; Pilsbry, Tr^'on's Man. Conch, ser. i, 

 15, P- 157, pi- f- 9^^ 99, pl- 19, f- 22, 23, '93; Dall and 

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

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



punctat2is d'Orbigny, In La Sagra, 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 Cubsn Adacn pundatus d'Orbigny 

 (preoccupied, renamed cube7isis by Gabb) is now considered 

 identical with the northern pundostriatus. Adcson punc- 

 tatus 1^Q3. (Contr. Geol, p. iii, pi. 4, f. 96) is Claiborue 

 Eocene, Ala.; and,y?^f^ Dall, Pliocene; Caloosahatchie beds, 

 Fla. Not Recent. 



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

 (of Shiloh, New Jersey) 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, 



