I4O NEW YORK STATE MUSEUM 



ADDITIONAL REFERENCES 1 

 185 1 Hall, J. Description of New, or Rare Species of Fossils from the Palaeozoic Series. 



Foster & Whitney, Geology of Lake Superior, pt II, p. 203 

 i860 Dawson, Sir J. William. On the Silurian and Devonian Rocks of Nova Scotia. 



Can. Nat. & Geol. 5:132 

 1 86 1 Hall, J. New Species of Fossils from the Investigations of the Survey. Geol. 



Sur. Wis. Rep't of Prog. 

 1872 Hall, J. & Whitfield, R. P. Descriptions of New Species of Fossils from the 



Vicinity of Louisville, Ky., and the Falls of the Ohio. N. Y. State Cab. Nat. 



Hist. 24th Rep't, p. 181 



1874 Billings, E. Paleozoic Fossils. Geol. Sur. Can. v. 2, pt 1 



1875 Hall, J. & Whitfield, R. P. Descriptions of Invertebrate Fossils, mainly from the 



Silurian System. Pal. O. 2:122 



1877 Wheeler, G. M. Report on the United States Geographical Survey of the 100th 



Meridian, v. 4, Pal. (contributions on graptolites by R. P. Whitfield and C. A. 

 White) 



1878 Spencer, J. W. Graptolites of the Niagara Formation. Can. Nat. v. 8, no. 8 



1878 Lesquereux, Leo. Land Plants, Recently Discovered in the Silurian Rocks of the 

 United States. Amer. Phil. Soc. Proc, 17:163 



1878 Etheridge, R. Palaeontology of the Coasts of the Arctic Lands etc. Quar. Jour. 



Geol. 34:568 



1879 Ulrich, E. 0. Descriptions of New Genera and Species of Fossils from the Lower 



Silurian about Cincinnati. Cin. Soc. Nat. Hist. Jour. 1 \()2 



1880 Marr, J. E. On the Predevonian Rocks of Bohemia. Geol. Soc. Quar. Jour. 36:591 

 1880 Tullberg, S. A. Om Lagerfoldjen i de Kambriska och Siluriska Aflagringarne vid 



Rostanga. Geol. For. i Stockholm, Forh. No. 59, Bd 4, no. 3. Also Sver. Geol. 

 Unders. Afh. och upps. Ser. C, no. 41 



1880 Ulrich, E. 0. Catalogue of Fossils Occurring in the Cincinnati Group of Ohio, In- 



diana and Kentucky (Cincinnati) 



1 88 1 Walcott, C. D. The Utica Slate and Related Formations of the Same Geological 



Horizon. Albany Inst. Trans. 10 (Advance' publication 1879) 

 1881 Lapworth, C. On the Cladophora (Hopk.) or Dendroid Graptolites collected by 

 Professor Keeping in the Llandovery Rocks of Mid Wales. Geol. Soc. Quar. 

 Jour. 37:171 



1 88 1 Hall, J. Descriptions of the Species of Fossils Found in the Niagara Group at 



Waldron, Indiana. State Geol. 1ml. 1 ith Rep't, p. 217 



1882 Ami, H. M. The Utica Slate Formation around Ottawa City. Ottawa Field Nat. 



Club Trans, no. 3 



1 This list is supplementary to that given in part 1 and mainly gives references of publications 

 bearing on the higher graptolite faunas of North America here dealt with. 



