52 



Bulletin 34 



84 



1, 1808, (as Venus); Dall, Proc. U. S. N. M., 23, p. 799, 

 1901 ; Tr. W. I., 3, p. 1350, '03. 



Luci?ia squamosa Lamarck, An. s. Vert., 6, p. 542, 181 8 

 (not Lam., 1806); Dall, Bull. 37, U. S. N. M., p. 50, '89. 



Lucina pecten Lamarck, An. s. Vert., 5, p. 543, 1818 ; Dall, 

 Bull. 37, p. 50, '89. The true L. pecten is Mediterranean. 



Lucina imbricatula C. B. Adams, Proc. Bost. Soc. N. Hist., 



2, p. 10, 1845. 



Note. — Dr. Dall (Synopsis Lucinacea), recognizes four varieties 

 of this species orbiculata Montagu, filiata Dall, imbrica- 

 tula C. B. Adams, and recurvata Dall. Our specimens 

 from Cedar Keys seem typical orbiculata. The deep water 

 form, filicata, 85-300 fms., was dredged off Yucatan, and 

 recurvata, 8-300 fms., off Cape San Antonio. 



Distribution. — Florida to Brazil, also west coast Africa. Pleis- 

 tocene to Recent. Gulf coast. — Tampa and Cedar Keys, 

 Florida. 



(Jagonia) costata d'Orbigny, Moll. Cubana., 2, p. 296, pi. 27, 

 f. 40-42, 1846, (as Lucina); Dall and Simpson, Bull. U. S. 

 Fish Comm., 1, p. 492, 1901 ; Dall, Proc. U. S. N. M., 23, 

 P- 799) 1901. Not costata Tuomey and Holmes. 

 Lucina antillarum Reeve, Conch. Icon., Lucina, pi. 10, f. 

 37, 1850; Dall, B. M. C. Z., 9, p. 136, '81 ; 12, p. 264, 

 1886. 



Distribution. — N. Carolina to Rio de Janeiro. Gulf of Mex- 

 ico : Charlotte Harbor, Fla., 13 fms., Yucatan Strait, 640 

 fathoms. 



Genus PHACOSDES Gray 

 pectinatus Gmelin, Syst. Nat., 6, p. 3236, 1792 ; Index Test., pi- 

 4, f. 44, 1828, (as Tellina pectinata); Dall, Proc. U. S. N. 

 • M., 23, p. 807, 1901 ; Tr. W. I. 3. p. 1363, '03. Not of 

 Adams, '47 and '52, nor of Carpenter, '57. 

 jamaicensis Chemnitz, Conch. Cab., 7, p. 24, pi. 39, f. 408, 

 409, 1784, (as Venus). Not binomial. Spengler, Skrift. 

 Nat. Selsk. Kjobn. 4, 1778, (as Tellina); Lamarck, An. s. 



