102 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



1 13329. Bittium chipolanum burnsii Dall. Holotype. 



Oligocene. Chipola River, Calhoun County, Florida. 



Dall, Trans. \Va.i,mer Free Inst. Sci. Phila., Ill, Pt. II, 1892, p. 



272, pi. 21, fig. 18. 



1 1 333 1. Bittium cossmannii Dall. Holotype. 



Oligocene. Chipola River, Calhoun County, Florida. 



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



273, pi. 21, fig. 16. 



113330. Bittium permutabile Dall. Holotype. 



Oligocene. Chipola River, Calhoiui Comity, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1S92, p. 

 272, pi. 21, fig. 17. 



1 13333. Bittium podagrinum Dall. Holotype. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. A\'agner PVee Inst. vSci. Phila., Ill, Pt. II, 1S92, p. 



274, pi. 21, fig. 12, 



107124. Bittium (Styliferina ) praeformatum Guppy. Holotype. 



Oligocene. Wnidryes, Jamaica, West Indies. 



Gnppy, Proc. U. vS. Nat. Mus., XIX, 1S96, p. 31S, ])1. 28, fig. 2. 



112522. Bittium (Styliferina?) priscum Dall. Holotype. 



Oligocene. Hill.sljoro Bay, Florida. 



Dall, Trans. Wagner Free Inst. vSci. Phila., Ill, Pt. I, 1S90, pi. n, 

 fig. 6; Pt. II, 1892, 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. Lotiis (Miss.). Hlizabethtown, Kentucky. 



ITrich, Journ. Cincinnati vSoc. Nat. Hist., XIII, 1890, p. 205, jjl. 

 12, figs. 12a, 1). 



4 1 33 1. Bollia obesa Ulrich. Holotype. 



Onondaga ( Dev. ). Falls of the Ohio. 



LTlrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 189, pi. 

 14, figs. 5a-c. 



41524. Bollia persulcata ( ririch). Ple.siot_ypes. 



T'tica (Ord. ). Covington, Kentuck)-. 



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



3. 3'i-(l- 

 See Beyrichia persulcata. 



41691. Bollia pumila Ulrich. Holotype. 



Richmond ( Ord. ). Near Weisburg, Indiana. 



Ulrich, Journ. Cincinnati vSoc. Nat. Hi.st.,XIIl, 1890, p. 117, jil. 

 12, figs, la, ih. 



