836 BULLETIN ■>•!, UNITED STATES NATIONAL MUSEUM. 



182. Inoceramus ventricosus ]\Ieek and Hayden. Holotj' pe and 



paratypes. 

 Fox Hills (Cret.). Mouth of Judith River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 87. 



= Inoceramus pertenuis. 



30210. Inoceramya concentrica Ulrich. Cotypes. 



Ivias ? Wood^- Island, Kadiak, Alaska. 



Ulricli, Harriman Alaska Exped., lY, 191)4, p. 135, pi. 12, figs, i, 2; 

 pi. 13, fig. I. 



43378. Intrapora cosciniformis Nicholson. Plesiotype and fig^ured 



.section. 

 Hamilton (Dev. ). Arkona, Canada. 



Ulrich, Geol. vSurv. 111., VIII, 1890, p. 532, pi. 43, figs. 6, 6a. 



7864. Iphidea ( ?? ) sculptilis Meek. Cotypes. 



Upper Cambrian. Above Gallatin Cit}', east side of Galla- 

 tin River, Montana. 

 Meek, vSixth Ann. Rept. U. vS. Geol. vSnrv. Terr., 1873, p. 479. 

 == Iphidea sculptilis. 

 See Kutorgina .sculptilis and K. minutissima. 



35212. Iphidea sculptilis Meek. Plesiotypes. 



Flathead ( Mid. Cambrian). Gallatin Range, Yellowstone 

 National Park. 



Walcott, Mon. XXXII, Pt. II, U. S. Geol. vSurv., 1899, p. 447, pi. 

 60, figs. 5, 5a-c. 



See Iphidea {??) sculptilis and Kutorgina sculptilis. 



1 13486. Isapis caloosaensis Dall. Holotype. 



Pliocene. Caloo.sahatchie River, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, pi. 9, 

 fig. 10. 



= Fo.s.sarus (Isapis) anomala. 



1 1 2607. Ischnochiton tampaensis Dall. Holotype. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. vSci. Phila., Ill, Pt. II, 1892, p. 434, 

 pi. 23, fig. 23. 



46204. Ischyrina winchelli Billings. Plastotype. 



Upper Ordovician. Anticosti Island, Gulf of St. Law- 

 rence. 

 Billings, Cat. vSil. P'oss. Anticosti, 1S66, p. 16. 



46205. Ischyrodonta decipiens Ulrich. Cotypes. 



46206. Richmond (Ord.j. Oxford, Ohio, and near Richmond, 



Indiana. 

 Ulrich, Geol. vSnrv. Ohio, VII, 1S93, p. 673, pi. 54, figs. 16-19. 



