66 BULLETIN 90, UNITED STATES NATIONAL MUSEUM. 



The Museum Calonnianiim having been eliminated by the Inter- 

 national Commission for Zoological Nomenclature, the name Colus 

 which occurs in it need not be considered. 



FUSINUS BALLISTA Dall. 

 Plate 7, fig. 6. 



Fusus balUsta Dall, Trans. Wagner Inst., vol. 3, pt. 1, p. 127, pi. 8, fig. 4, 

 1890. (Ftisus ncxilis by typographical error lu explanation of plate 

 8, p. 186.) 

 Tampa silex beds at Ballast Point, Tampa Bay, Florida ; Dall and 

 Burns. U. S. Nat. Mus. No. 112052. 



FUSINUS QUINQUESPINUS Dall. 

 Plate 5, fig. 6. 



Fusus? quinqucspinus Dall, Trans, Wagner Inst., vol. 3, pt. 1, p. 128, 1890; 

 pt. 2, p. 234, pi. 20, flg. 8, 1892. 



Tampa silex beds, at Ballast Point, Tampa Bay, Florida; rare; 

 and also in the overlying lime rock, in the form of molds, associated 

 with Cerithium; Dall. U. S. Nat. Mus. No. 112053. 



Complete specimens of this species have not yet been obtained, and 

 there is yet some question as to its correct generic place. 



FUSINUS NEXILIS Dall. 



Plate 8, flg. 8. 



Fusus (Chnjsodomus?) nexilis Dall, Trans. Wagner Inst., vol. 3, pt. 1, p. 

 128; pi. 8, fig. 6, 1890; (fig. 4 by typographical error in explanation of 

 plate 8, p. 196). 



Tampa silex beds, at Ballast Point, Tampa Bay, Florida; rare; 

 Dall. U. S. Nat. Mus. No. 112054. 



The figure does not show as clearly as desirable the strength of the 

 sculpture on the upper part of the spire, the curvature of the canal 

 or its constriction at the base of the whorl. 



Family BUCCINIDAE. 

 Genus BUSYCON Bolten. 



Busycon Bolten, INIus. Boltenianum, p. 149, 1798. First species, Fulgur 



carica Montfort. 

 Fulgur Montfort, Conch., vol. 11, 1810, p. 503, and figure. Type, F. carica 



var. eliceans Montfort. 

 Sycoi)sis Conrad, Amer. Journ. Conch., vol. 3, p. 184, 1867. 

 Spcopsis (Browne) Gill, Amer. Journ. Conch., vol. 3, p. 147. 1867; not of 

 Gray. 

 In my memoir in the Wagner Institute Transactions I adopted 

 the name Fulgur in preference to the earlier name of Bolten, because 

 the latter was published without a diagnosis, but as it has been since 



