TYPE SPECIMENS OF INVERTEBKATE FOSSILS. 495 



43430. Petalotrypa compressa Ulrich. Cotypes and figured 



sections. 

 Middle Devonian. Rock Island, Illinois. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 454, pi. 46, figs. 4-41. 



43431. Petalotrypa delicata Ulrich. Holotype and figured sections. 



Middle Devonian. Buffalo, Iowa. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 454, pi. 46, figs. 5, 5a. 



43699. Petigopora asperula Ulrich. Cotypes and figured sections. 



Lorraine (Ord.). Cincinnati, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., VI, 1883, p. 157, pi. 7, 

 figs. 4-4a-c. 



43700. Petigopora gregaria Ulrich. Cotypes and figured sections. 



Lorraine (Ord.). Cincinnati, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., VI, 1883, p. 155, pi. 7, 

 figs- 3. 3 a - c - 



43194. Petigopora offula Ulrich and Bassler. Cotypes. 



Cincinnatian (Ord.). Middletown, Ohio. 



Ulrich and Bassler, Smithsonian Misc. Coll., Quart., XLVII, 1904, 

 P- 32. 



38205. Petrablattina hastata Scudder. Holotype. 



Lower Permian. Cassville, West Virginia. 



Scudder, Bull. No. 124, U. S. Geol. Surv., 1895, p. 141, pi. 11, 

 fig. 10. 



145740. Petricola ( Petricolaria ) calvertensis Dall. Holotype. 



Miocene. Calvert Cliffs, Maryland. 



Dall, Trans. Wagner Free Inst. Sci. Phila.,111, Pt. V, 1900, p. 1060, 

 pi. 44, fig. 14. 



145020. Petricola (Rupellaria) harrisii Dall. Holotype. 



Miocene. Four and one-half miles above Yorktown, .Vir- 

 ginia. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. V, 1900, p. 1060, 

 pi. 43, fig. 1. 



43271. Phacelopora constricta Ulrich. Holotype. 



Trenton (Ord.). Burgin, Kentucky. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 406, pi. 29, fig. 2. 



43272. Phacelopora pertenuis Ulrich. Cotypes and figured 



sections. 

 Trenton (Ord.). Thebes, Illinois. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 406, pi. 29, figs, ib, ic. 



135719. Phacoides (Bellucina) actinus Dall. Holotype. 



Bowden (Oligocene). Bowden, Jamaica. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. VI, 1903, 

 p. 1385, pi. 52, fig. 3. 



