34 Bulletin 34 66 



caroluiensis Conrad, Jour. Acad. Nat. Sci. Phila. , 7, p. 244, 

 pi. 20, fig. 6, 1837. 

 Distribution, — Rhode Island to Costa Rica. Pliocene to Re- 

 cent. Gulf coast. — Cedar Keys, Fla. ; Point au Fer, 

 Weeks Isl., Cameron, La. ; Galveston, Corpus Christi, 

 Tex. Pleistocene : Knapp's wells, Terrebonne Parish, 

 No. 2, at 1434-1519, 1519-1542, 1632-1726, No. 3 at 570- 

 700 feet. Pliocene : Caloosahatchie. 



Genus MODIOLUS Lamarck 

 Modiolus tulipus Lamarck 



Modiola tulipa Lam., An. s. Vert., 6, p. iii, 1819; Reeve, 



Conch. Icon., pi. 4, fig. 15, 1857 5 Dall, Bull. 37, U. S. 



N. M., p. 38, '89 ; Mitchell, List Texas Shells. 



tuliptis Dall and Simpson, Bull. U. S. Fish Comm., i, p. 



470, 1901 ; Vanatta, Proc. Acad. Nat. Sci., Phila., 55, p. 



756, 1903- 

 Distribution. — N. Carolina to Guadeloupe. Gulf coast. — Cal- 

 houn and Franklin Cos., Fla.; Chandeleurs, La. ; Texas. 

 (Amygdalum) politus Verrill and Smith 



Modiola polita V. and S., Amer. Jour. Sci., 20, pp. 392, 400, 

 1880 ; Dall, B. M. C. Z., 12, p. 234, pi. 6, f. 3, '86 ; Bull. 

 37, U. S. N. M., p. 38, pi. 6, f. 3, pi. 45, f. 12, '89. 

 /z^/fM5 Jeffreys, 1880. Nomen nudum. 

 Distribution. — North Atlantic to Grenada, iii-iooo fms. 

 Temperature 45° F. Gulf of Mexico, abyssal. Variety 

 sagittatus Dall, 85-196 fms. off Cedar Keys, Fla. 

 (Amygdalum ) papyrius Conrad 



Modiola papyria Conrad, Proc. Acad. Nat. Sci. Phila., vol. 

 3, p. 24, pi. I, fig. 8, 1846 ; Dall, Proc. U. S. Nat. Mus., 

 6, p. 341, '83; Bull. 37, U. S. Nat. Mus., p. 38, '89; 

 Singley, Fourth Ann. Rept. Texas Survey for '92, p. 325, 



1893- 

 Distribution. — Florida to Texas. Tampa Ba}^ (type locality). 



Cedar Keys, Fla. ; Corpus Christi and Laguna Madre, 



Texas. 

 Note. — For Modiola ligfiea Reeve, see Modiolaria castanea Say. 



