102 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



113329. Bittium chipolanum burnsii Dall. Holotype. 



Oligocene. Chipola River, Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1892, p. 



272, pi. 21, fig. iS. 



1 1 333 1. Bittium cossmannii Dall. Holotype. 



Oligocene. Chipola River, Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sei. Phila., Ill, Pt. II, 1892, p. 



273, pi. 21, fig. 16. 



1 13330. Bittium permutabile Dall. Holotype. 



. Oligocene. Chipola River, Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1892, p. 

 272, pi. 21, fig. 17. 



1 13333. Bittium podagrinum Dall. Holotype. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sei. Phila., Ill, Pt. II, 1892, p. 



274, pi. 21, fig. 12. 



107124. Bittium (Styliferina) praeformatum Guppy. Holotype. 



Oligocene. Vendryes, Jamaica, West Indies. 



Guppy, Proc. U. S. Nat. Mus., XIX, 1S96, p. 318, pi. 28, fig. 2. 



1 12522. Bittium (Styliferina?) priscum Dall.. Holotype. 



Oligocene. Hillsboro Bay, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, pi. 11, 

 fig. 6; Pt. II, 1S92, p. 275. 



162547. Bittium williamsoni Arnold. Holotype. 



Pleistocene. San Pedro, California. 



Arnold, Mem. Calif. Acad. Sci., Ill, 1903, p. 295, pi. 6, fig. 11. 



41329. Bollia granifera Ulrich. Holotype. 



St. Louis (Miss.). Elizabethtown, Kentucky. 



LTrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 205, pi. 

 12, figs. 12a, b. 



41 33 1. Bollia obesa Ulrich. Holotype. 



Onondaga (Dev. ). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1S90, p. 189, pi. 

 14, figs. 5a-c. 



41524. Bollia persulcata ( Ulrich). Plesiotypes. 



Utica (Ord.). Covington, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 116, figs. 

 3. 3a-d. 



See Beyrichia persulcata. 



41691. Bollia pumila Ulrich. Holotype. 



Richmond (Ord.). Xear Weisburg, Indiana. 



Ulrich. Journ. Cincinnati Soc. Nat. Hist.,"XIII, 1890, p. 117, pi. 

 12, figs, ia, ib. 



