228 BULLETIN .k5, UNITED STATES NATIONAL MUSEUM. 



135864. Diplodonta radiata Dall. Holotype. 



Oligocene. Oak Grove, Santa Rosa County, Florida. 



Dall, Trans. Wagner Free Inst. 8ci. I'hila., Ill, Pt. V, 1900, p. 

 1 184, pi. 44, fig. II. 



1 1 1596. Diplodonta shilohensis Dall. Cotypes. 



1 1 1609. Ba.sal Miocene. Shiloh and Jericho, Cumberland Count3% 



New Jer.sey. 



Dall, Trans. ^Vagner Free Inst. Sci. Pliila., Ill, Pt. V, 1900, p. 



1 184. 



144548. Diplodonta yorkensis Dall. Holotype. 



Miocene. York River, near Yorktown, \'irginia. 



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



1185, pi. 43, fig. 5. 



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



Lower Caml)rian. Parkers Quarry, Georgia, Yermont. 



Walcott, Bull. No. 30, V. S. Geol. Surv., 18S6, p. 92, pi. 11, 

 figs. 4, 4a. 



= Phyllograptns ? cambrensis. 



S311. Diplopodia hilli (Clark). Holotype. 



Austin ( Upper Cret. ). Texas. 



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

 vSee Pseudodiadema hilli. 



191 15. Diplopodia texanum (Roemer). Plesiotype. 



P'redericksburg (Lower Cret.). Georgetown, Texas. 



Clark, Bull. No. 97, U. .S. Geol. vSurv., 1893, ]). 48, ])1. 15, figs, la-f; 

 pi. 16, figs. la-d. 



See Cyphosoma texanum. 



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



Richmond (Ord.). Wilmington, Illinois. 



ririch, Geol. Surv. 111., VIII, 1890, p. 459, jil. 33. figs. 3-3b. 



43534. Diplotrypa limitaris Ulricli. Holotype and figured sections. 

 Trentcjn (Ord.). Goodhue County, Minnesota. 



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

 1893, p. 286, fig. 18. 



43654. Diplotrypa milleri Ulrich. Holot3'pe and figured .sections. 



Osgood (Sil.). Osgood, Indiana. 



IHrich, Journ. Cincinnati Si>c. Nat. Hist., \', 1882, p. 245, pi. 11, 

 figs. 2-2C. 



43533. Diplotrypa neglecta Ulricli. Holotype and figured .sections. 

 Trenton (Ord.). Hader, Minne.sota. 



Ulrich, Geol. and Nat. Hi.st. vSurv. Minn., Final Rept., Ill, Pt. I, 

 JS93, p. 287, fig. 19. 



