TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 437 



23279. Nostoceras stantoni prematurum Hyatt. Holotype. 



Navarro (Cret.). Chatfield, Navarro County, Texas. 

 Hyatt, Proc. Amer. Philos. Soc, XXXII, 1894, p. 572. 



23278. Nostoceras stantoni retrorsum Hyatt. Cotypes. 



Navarro (Cret.). Chatfield, Navarro County, Texas. 

 Hyatt, Proc. Amer. Philos. Soc, XXXII, 1894, p. 570. 



24657. Nothozoe? vermontana Whitfield. Plesiotype. 



L,ower Cambrian. Bennington, Vermont. 



Walcott, Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 628.pl. 80, 

 figs. 4-4b. 



3640. Nucula abrupta Dana. Holotype. 



Carboniferous. Wollongong Point, Illawarra, New South 

 Wales, Australia. 



Dana, Wilkes U. S. Expl. Exped., X, 1849, p. 698, Atlas, pi. 7, 

 figs. 3, 3a. 



7607. Nucula (?) anodontoides Meek. Cotypes. 



Upper Carboniferous. Monongalia County, West Virginia. 



Meek, Third Rept. Regents West Virginia Univ. , 1870-1871^. 71. 



115561. Nucula baccata Guppy. Holotype. 



Pliocene. Matura, Trinidad, West Indies. 



Guppy, Proc. Sci. Assoc. Trinidad, 1867, p. 174; ibid., 1882, 

 p. 171, pi. 7, fig. 12; Geol. Mag., London, Dec. II, I, 1874, 

 p. 443, pi. 18, fig. 7. 



6505. Nucula beyrichi von Schauroth? Plesiotypes. 



Upper Carboniferous. Nebraska City, Nebraska. 



Meek, Final Rept. U. S. Geol. Surv. Nebraska (Hayden), 1872, 

 p. 203, pi. 10, fig. 18. 



434. Nucula cancellata Meek and Hayden. Holotype and 



1 93 1. paratypes. 



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

 Deer Creek, North Platte, Wyoming. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 

 85.— Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 102, 

 pi. 28, figs. 13 (a, c), d, e. 



136098. Nucula chipolana Dall. Holotype. 



Oligocene. Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 P- 575> pl- 32, fig. 10. 



22876. Nucula coloradoensis Stanton. Holotype. 



Colorado (Cret.). Williams Creek, Huerfano Park, 

 Colorado. 

 Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 94, pl. 21, fig. 9. 



