TYPK SPECIMENS OF INVERTEBRATE FOSSILS. 701 



1 12604. Xenophora humilis Conrad. Plesiotype. 



Oligoceiie. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner P'ree In.st. vSci. Phila., Ill, Pt. I, 1H90, pi. 4, 

 fig.s. 10, loa. 



See Xenophora conchyliophora. 



22909. Xenophora simpsoni Stanton. Cotypes. 



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

 rado. 



Stanton, Rnll. No. 106, U. vS. Geol. Surv., 1.S93, p. 133, \)\. 29, 

 figs. 4-6. 



112831. Xenophora textilina Dall. Cotypes. 



Chipola (Olij^ocene ). Calhoun County, P'lorida. 



Dall, Trans. Wagner Free In.st. vSci. Phila., III. Pt. II, 1892, 

 p. 361. 



37995. Xylobius frustulentus Scudder. Cotypes. 



Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. IlLst., IV, 1890, p. 43S, pi. 37, 

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

 figs. 4-6. 



38036. Xylobius mazonus Scudder. Cotj^pes. 



Upper Coal Mea.sures. Mazon Creek, (jrundy 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. 

 P'ort Pierre (Cret. j. Musselshell River, Montana. 



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



= Turnus (Goniocha.snia) .stimpsoni. 



164895. Yoldia breweri Dall. Holotype. 



P^ocene. Chichagof Cove, Alaska. 



Dall, Harriman Ala.ska F<xped., IV, 1904, p. 105, pi. 9, fig. 5. 



7606. Yoldia carbonaria Meek. Cotypes. 



Upper Carboniferous. Monongalia Count)^ West Vir- 

 ginia. 



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



164875. Yoldia emersonii Dall. Holotype. 



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. 28, 

 fig. loa. 



See Nticula evansi. 



