TYPE SPECIMENS OF INVERTEBEATE FOSSILS. 101 



41692, Beyrichia radiata cestriensis Ulrich. Holotype. 



Chester (Miss.). Near Grayson Springs, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII. 1890, p. 204, pi. 

 14, figs. 4a, 4b. 



41696. Beyrichia simulatrix Ulrich. Holotype. 



Chester (Miss.). Near Grayson Springs, Kentucky. 



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

 18, figs. 7a, 7b. 



41678. Beyrichia tricollina Ulrich. Holotype. 



Hamilton (Dew). Eighteen Mile Creek, New York. 



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

 12, fig. 6. 



14889. Bicia gemma (Billings). Plesiotype. 



15349. Lower Cambrian. Troy, New York; Bic Harbor, Quebec, 



Canada. 



Walcott, Proc. U. S. Nat. Mus., XXIII, 1901, p. 678. 



See Obolella gemma. 



35260. Bicia whiteavesi Walcott. Cotypes. 



I/Ower Cambrian. Troy, New York. 



Walcott, Proc. U. S. Nat. Mus., XXIII, 1901, p. 680. 



35213. Billingsella coloradoensis (Shumard). Plesiotype. 



Gallatin (Up. Cambrian). Gallatin Range, Yellowstone 

 National Park. 



Walcott, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 450, pi. 

 61, figs. 1, ia-d. 



1 13332. Bittium annettae Dall. Holotype. 



Miocene. Cape Fear River, North Carolina. 



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

 273, pi. 20, fig. 3. 



1 13343. Bittium ( Styliferma ) boiplex Dall. Holotype. 



Oligocene. Chipola River, Calhoun County, Florida. 



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



275, pi. 21, fig. 14. 



1 1 3344. Bittium f Styliferina) cerithidioides Dall. Holotype. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. W'agner Free Inst. Sci. Phila., Ill, Pt. II, 1892, p. 



276, pi. 16, fig. 8. 



1 13328. Bittium chipolanum Dall. Holotype. 



Oligocene. Chipola River, Calhoun County, Florida. 



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

 272, pi. 21, fig. 15. 



