TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 701 



112604. Xenophora humilis Conrad. Plesiotype. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sei. Phila., Ill, Pt. I, 1890, pi. 4, 

 figs. 10, 10a. 



See Xenophora conchyliophora. 



22909. Xenophora simpsoni Stanton. Cotypes. 



Colorado (Cret.). Huerfano Park, and near Pueblo, Colo- 

 rado. 



Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 133, pi. 29, 

 figs. 4-6. 



112831. Xenophora textilina Dall. Cotypes. 



Chipola (Oligocene). Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1892, 

 p. 361. 



37995. Xylobius frustulentus Scudder. Cotypes. 



Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. Hist., IV, 1890, p. 438, pi. 37, 

 figs. 4-6; Foss. Insects N. America, I, 1890, p. 414, pi. 29, 

 figs. 4-6. 



38036. Xylobius mazonus Scudder. Cotypes. 



Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. Hist., IV, 1890, p. 439, pi. 37, 

 figs. 7-1 1 ; Foss. Insects N. America, I, 1S90, p. 415, pi. 29, 

 figs. 7-1 1. 



451. Xylophaga stimpsoni Meek and Hayden. Holotype and 



paratypes. 

 Fort Pierre (Cret.). Musselshell River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1857, p. 141. 



= Turnus (Goniochasma) stimpsoni. 



164895. Yoldia breweri Dall. Holotype. 



Eocene. Chichagof Cove, Alaska. 



Dall, Harriman Alaska Exped., IV, 1904, p. 105, pi. 9, fig. 5. 



7606. Yoldia carbonaria Meek. Cotypes. 



Upper Carboniferous. Monongalia County, West Vir- 

 ginia. 

 Meek, Third Rept. Regents West Virginia Univ., 1870-71, p. 72. 



164875. Yoldia emersonii Dall. Holot3*pe. 



Eocene. Chichagof Cove, Alaska. 



Dall, Harriman Alaska Exped., IV, 1904, p. 104, pi. 9, fig. 8. 



307. Yoldia evansi (Meek and Hayden). Paratype. 



Fox Hills (Cret.). Moreau River, South Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. in, pi. 2S, 

 fig. 10a. 



See Nucula evansi. 



