ORDOVICIC BIBLIOGRAPHY. 



727 



1892 Ulrich, E. 0. New lower Silu- 

 rian Lamellibranchiata, chiefly from 

 Minnesota rocks. Minn. Geol. and 

 Nat. Hist. Surv., Ann. Rept. 19 : 211- 

 248. 



1892 New Lamellibranchiata 



[Black River of Minn.]. Am. Geol. 

 10 : 96-104. 



1892 New lower Silurian Ostra- 



coda. Ibid., 263-270. 



1892 Two new lower Silurian 



species of Lichas [from Minn.]. 

 Ibid., 271-272. 



1892 Calvin, S. Notes on a collection 

 of fossils from the lower magnesian 

 limestone from northeastern Iowa. 

 Ibid., 144-148. 



1892 Winchell, N. H., and Schuchert, 

 C. Preliminary descriptions of new 

 brachiopoda from the Trenton and 

 Hudson River groups of Minnesota. 

 Ibid. 9 : 284-294. 



1894 James, J. F. The St. Peter's 

 sandstone. Cin. Soc. Nat. Hist. Jour. 

 17: 115-135. 



1894 Williams, H. S. On the age of 

 the manganese beds of the Batesville 

 region, Arkansas [Ordovicic and Si- 

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1895 Hall, C. W., and Sardeson, F. W. 

 The magnesian series of the north- 

 western states. G. S. A. Bull. 6 : 

 167-198. 



1895 Winchell, N. H. The age of the 

 Galena limestone. Am. Geol. 15 : 

 33-39. 



1895 and Schuchert, C. Sponges, 



graptolites and corals from the lower 

 Silurian of Minnesota. Minn. Geol. 

 and Nat. Hist. Surv., Final Rept. 3, 

 part I, pp. 55-95, plates. 



189s and The lower Si- 

 lurian brachiopoda of Minnesota. 

 Ibid., pp. 333-474, plates. 



1895 Ulrich, E. 0. On lower Silurian 

 bryozoa of Minnesota. Ibid., pp. 96- 

 332, plates. 



1895 Whitfield, R. P. Republication 

 of descriptions of fossils from the 

 Hall collection in the American Mu- 



seum of Natural History from the 

 report of progress for 1861 of the 

 geological survey of Wisconsin by 

 James Hall, with illustrations from 

 the original type specimens not here- 

 tofore figured. Am. Mus. Nat. Hist. 

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1896 Sardeson, F. W. The St. Peter 

 sandstone. Minn. Acad. Nat. Sci. 

 Bull. 4, no. I, pp. 64-88, plates. 



1896 The fauna of the mag- 

 nesian series. Ibid., pp. 92-105, 

 plates. 



1896 and 1897 The Galena and 



Maquoketa series, parts I,-IV. Am. 

 Geol. 18: 356-368; 19: 21-35, gi- 

 ll I, 180-190, plates. 



1897 Clarke, J. IVE. The lower Silu- 

 rian trilobites of Minnesota. Minn. 

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 tology 3 : 695-759. 



1897 The lower Silurian cepha- 

 lopoda of Minnesota. Ibid., 761-812, 

 plates. 



1897 Winchell, N. H., and Ulrich, E. 

 O. The lower Silurian deposits of 

 the upper Mississippi : A correlation 

 of the strata with those in the Cin- 

 cinnati, Tennessee, New York and 

 Canadian provinces, and the strati- 

 graphic and geographic distribution 

 of the fossils. Ibid., pt. 2, pp. Ixxxiii.- 

 cxxix. 



1897 Ulrich, E. 0. The lower Silu- 

 rian Lamellibranchiata of Minnesota. 

 Ibid., 475-628, plates. 



1897 The lower Silurian Ostra- 



coda of Minnesota. Ibid., 629-693, 

 plates. 



1897 and Scofield, W. H. The 



lower Silurian Gastropoda of Minne- 

 sota. Ibid., 813-1081, plates. 



1899 Sardeson, F. W. A new cysto- 

 crinoidean species from the Ordo- 

 vicic. Am. Geol. 24 : 262,-276, plate. 



1899 Girty, G. H. Preliminary report 

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 the region of the McAlester coal 

 field, Indian Territory. U. S. G. S., 

 Ann. Rept. 19, pt. 3, pp. 539-593- 



