TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 553 



13874. Pterinea newarkensis Wakujtt. Cotypes. 



Upper Devonian. Newark Mountain, Eureka District, 

 Nevada. 



Walcott, Mon. VIII, U. S. Geol. vSurv., 1SS4, p. 165, pi. 5, fig. 12. 



14363. Pterinea pintoensis Walcott. Cotypes. 



Lower Carboniferous. Near Pinto Peak, luireka District, 

 Nevada. 



Walcott, Mon. VIII, IT. S. Geol. Surv., 1884, p. 234, pi. 19, fig. 10. 



46295. Pterinea prolifica Billinj^s. Plastotype. 



Hudson River (Ord.). Anticosti Island, Gulf of St. 

 Lawrence. 



Billings, Cat. Sil. Foss. Anticosti, 1S66, p. 16. 



14361. Pterinopecten hoosacensis Walcott. Cotypes. 



Lower Carboniferous. Eureka District, Nevada. 



Walcott, Mon. VIII, U. vS. Geol. vSurv., 1884, p. 232, pi. 8, fig. 9. 



14362. Pterinopecten spio Walcott. Cotype. 



Lower Carboniferous. luircka District, Nevada. 



Walcott, Mon. VIII, V. S. Geol. .Snrv., 1S84, p. 233, pi. 8, figs, i, la. 



130349. Pteropurpura postii Dall. Holotype. 



Oligocene. Ballast Point, Tampa, Florida. 

 Ball, Proc. U. S. Nat. Mus., XVIII, 1S95, p. 44. 



163801. Pterorhytis (conradiana var.?) fluviana Dall. Holotype. 

 Pliocene. Shell Creek, Florida. 



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

 60, figs. 20, 21. 



41955. Pterygometopus intermedins (Walcott). Plesiotj^pe. 



Black River (Ord.). Chatfield, Minnesota. 



Clarke, Geol. and Nat. Hist. vSurv. Miini., Final Rept., Ill, Pt. 

 II, 1894, p. 728, fig. 45. 



27946. Pterygotus buffaloensis Grote. Ple.siotype. 



Bertie (Sil.). Buffalo, New York. 



Clarke, Text-Book of Pal., Zittel and PXstman, I, Part II, 1900, 

 p. 678, fig. 1425. 



[This is the reverse side of the toothed antenna] chela figured l)y 

 Clarke.] 



43728. Ptilodictya briareus Ulrich. Holotype and figured sections. 

 Stones River (Ord.). Lebanon, Tennessee. 



Ulrich, Joum. Cincinnati vSoc. Nat. IIi.st., V, 1SS2, p. 165, pi. 7, 

 figs. 6, 6a, 6b. 



= Escharopora briareus. 



43419. Ptilodictya expansa Hall. Figured .sections of plesiotype. 



Clinton (Sil.). Dayton, Ohio. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 391, fig. lie. 



