1328 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Whltfleldella(?) Julia (Billings). 



Athyris Julia Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 146, text fig. 



124 (adv. sheets, 1862). 



Meristella julia Miller, N. A. Geol. Pal., 1889, p. 354. 

 Whitfieldella(?) julia Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 461. 

 Anticostian (Jupiter River): Jumpers, Anticosti. 



Whltfleldella laevis (Vanuxem). 



Atrypa laevis Vanuxem, Geol. New York, Rep. 3d Dist., 1842, p. 120, fig. 2. 



Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 825, fig. 642. 

 Merista laevis Hall, 10th Rep. New York State Cab. Nat. Hist., 1857, p. 94, figs. 



1-6; Pal. New York, 3, 1859, p. 247, pi. 39, figs. 3, 4. Meek and Worthen, 



Geol. Surv. Illinois, 3, 1868, p. 376, pi. 7, fig. 8. 

 Meristella Isevis Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 43, figs. 3-6; 



pi. 44, fig. 4. 

 Whitfieldella Isevis Grabau, Bull. Geol. Soc. Amer., 11, 1900, p. 369, pi. 22, figs. 



4a-d; Bull. New York State Mus., 45, 1901, p. 204, fig. 130; Bull. Buffalo 



Soc. Nat. Sci., 7, 1901, p. 204, fig. 130. 

 Helderbergian: Albany and Schoharie Counties, New York; Pennsylvania; 



Maine; New Brunswick; Erie County, New York (Manlius transition beds). 



Whitfleldella lara (Billings). 



Athyris lara Billings, Catalogue Sil. Foss. Anticosti, 1866, p. 47. 

 Atrypa lara Davidson, Suppl. British Sil. Brach., Pal. Soc., 1882, p. 121. Schu- 

 chert, Bull. U. S. Geol. Surv., 87, 1897, p. 152. 

 Anticostian (Gun River and Jupiter River): Gull Cape, etc., Anticosti. 



Whitfleldella(?) minuta Maynard. 



Whitfieldella(?) minuta Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 442, 



pi. 78, figs. 41, 42. 

 Helderbergian (Keyser): Devil's Backbone and Roundtop, Maryland. 



Whitfleldella(?) navlformis (Hall). 



Atrypa naviformis Hall, Geol. New York, Rep. 4th Dist., 1843, p. 71, fig. 3; Pal. 



New York, 2, 1852, p. 76, pi. 24, fig. 1. Nicholson and Hinde, Canadian Jour. 



Sci., n. s., 16, 1874, pp. 144, 157. Owen, Amer. Jour. Sci. Arts, 48, 1845, 



p. 303, fig. 3. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 57, figs. 

 Meristella naviformis Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 78. 

 Athyris naviformis Billings, Geol. Canada, 1863, p. 317, fig. 320. Nicholson, Pal. 



Prov. Ontario, 1875, p. 62, fig. 32E. 

 Whitfieldella naviformis Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 60, 



pi. 40, fig. 3. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1255, figs. 

 Clinton (Irondequoit): Sodus, Rochester, etc., New York. 



Whitfleldella nitida (Hall). 



Atrypa nitida Hall, Geol. New York, Rep. 4th Dist., Tab. Org. Rem., 13, 1843, 



fig. 5; Pal. New York, 2, 1852, p. 268, pi. 55, fig. 1. Billings, Canadian Nat. 



Geol., 1, 1856, p. 137, pi. 2, fig. 9. 

 Merista nitida Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 78. 



Safford, Geol. Tennessee, 1869, p. 315, fig. 

 Athyris nitida Hall, Geol. Canada, 1863, p. 317, fig. 334. 

 Meristella nitida Hall, Trans. Albany Inst., 4, 1863, p. 226. Davidson, Mon. 



British Sil. Brach., 1867, p. 114, pi. 10, figs. 28-32. 

 Meristina nitida Hall, Pal. New York, 4, 1867, p. 299; 28th Rep. New York State 



Mus. Nat. Hist., 1879, p. 169, pi. 25, figs. 1-7; llth Rep. State Geol. Indiana, 



1882, p. 300, pi. 25, figs. 1-7. Nettelroth, Kentucky Fossil Shells, Mem. 



