228 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



135864. Diplodonta radiata Dall. Holotype. 



Oligocene. Oak Grove, Santa Rosa County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. V, 1900, p. 

 1 184, pi. 44, fig. 11. 



1 1 1596. Diplodonta shilohensis Dall. Cotypes. 



1 1 1609. Basal Miocene. Shiloh and Jericho, Cumberland County, 



New Jersey. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. V, 1900, p. 



1 184. 



144548. Diplodonta yorkensis Dall. Holotype. 



Miocene. York River, near Yorktown, Virginia. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. V, 1900, p. 



1 185, pi. 43, fig. 5. 



1 53 1 4. Diplograptus ? simplex Emmons. . Plesiotype. 



Lower Cambrian. Parkers Quarry, Georgia, Vermont. 



Walcott, Bull. No. 30, U. S. Geol. Surv., 1886, p. 92, pi. n, 

 figs. 4, 4a. 



= Phyllograptus? cambrensis. 



8311. Diplopodia hilli (Clark). Holotype. 



Austin (Upper Cret.). Texas. 



Clark, Bull. No. 97, U. S. Geol. Surv., 1893, p. 50, pi. 16, figs. 2a-g. 

 See Pseudodiadema hilli. 



191 15. Diplopodia texanum (Roemer). Plesiotype. 



Fredericksburg (Lower Cret.). Georgetown, Texas. 



Clark, Bull. No. 97, U. S. Geol. Surv., 1S93, p. 48, pi. 15, figs, ia-f; 

 pi. 16, figs. ia-d. 



See Cyphosoma texanum. 



43390. Diplotrypa ? dubia Ulrich. Figured sections of holotype. 



Richmond (Ord. ). Wilmington, Illinois. 



T'lrich, Geol. Surv. 111., VIII, 1S90, p. 459, pi. 33, figs. 3-30. 



43534. Diplotrypa limitaris Ulrich. Holotype and figured sections. 



Trenton (Ord.). Goodhue County, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. I, 

 1S93, p. 2S6, fig. 18. 



43654. Diplotrypa milleri Ulrich. Holotype and figured sections. 



Osgood (Sil.). Osgood, Indiana. 



Ulrich, Journ. Cincinnati Soc. Xat. Hist., V, 1882, p. 245, pi. 11, 



figS. 2-2C. 



43535. Diplotrypa neglecta Ulrich. Holotype and figured sections. 



Trenton (Ord.). Hader, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. I, 

 1S93, p. 287, fig. 19. 



