TYPE spp:cimens of invertej^kate 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 Flricli. Holotype. 



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



I'lrich, Journ. Cincinnati Soc. Nat. Hist., XIII. rSgo, p. 205, pi. 

 iS, figs. 7a, 7b. 



4167S. Beyrichia tricollina Ulrich. Holotype. 



Haniillon (])ev. ). Kighteen Mile Creek, New York. 



riricli, Journ. Cincinnati vSoc. Nat. Hist., XIII, 1890, p. 189, pi. 

 12, lig. 6. 



14SS9. Bicia gemma (Billings). Plesiotvpe. 



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



Canada. 



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



See Obolella gennna. 



35260. Bicia whiteavesi Wak-ott. Cotypes. 



Lower Canilirian. Troy, New York. 



^Valcott, I'roc. l^ vS. Nat. :Mus., XXIII, 1901, p. 6S0. 



35213. Billingsella coloradoensis (Shumard). Plesiotvpe. 



Crallatin ( I'p. Canil)rian). Gallatin Range, YeHow.stone 

 National Park, 



Walcott, Mon. XXXII, Pt. II, U. vS. Geol. Surv., 1899, p. 450, j)!. 

 61, figs. I, la-d. 



1 13332. Bittium annettae Dall. Holotype. 



Miocene. Cape P'ear River, North Carolina. 



Dall. Trans. Wagner Free Inst. vSci. 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. vSci. Phila., HI, Pt. II, 1892, p. 



275. pi. 21, fig. 14. 



1 13344. Bittium ( Styliferina ) cerithidioides Dall. Holotvpe. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. vSci. Phila., HI, Pt. II, 1892, p, 



276, pi. 16, fig. 8. 



11332S. Bittium chipolanum Dall. Holotj'pe. 



Oligocene. Chipola River, Calhoun County, Florida. 



Dall, Trans. Wagner I'ree Inst. Sci. Phila., Ill, Pt. II, uSg.?, p. 

 272, pi. 21, fig. 15. 



