460 NEW YORK STATE MUSEUM 



1850 McCoy, F. On some New Genera and Species of Silurian Eadiata in the Col- 



lection of the University of Cambridge. Ann. and Mag. JSat. Hist. C:270 



1851 British Palaeozoic Fossils in the Geological Museum of the University of 



Cambridge, pt 2, p. 3 



1851 Salter, J. W. In Murchison. Silurian Rocks of Scotland. Quar. Jour. Geol. 

 t^oc. 7 : 173 



1851 Scharenberg, W. Ueber Graptolithen mit besonderer Beriicksichtigung der bei 



Christiania vorkommenden Arten 



1852 Geinitz, H. B. Die Versteinerungen der Grauwacken Formation in Sachsen, etc. 



Heft 1 

 1852 Salter, J. W. Description of some Graptolites from the South of Scotland. 



Qnar. Jour. Geol. Soc. 8 : 388 

 1852 Hall, J. Palaeontology of New York, v.2 

 1855 Emmons, E. American Geology, v.l 

 1857 Hall, J. Geological Survey of Canada. Report of Progress 



1857 Canadian Naturalist and Geologist, v.3 



1859 Notes upon the Genus Graptolithus. N. Y. State Cab. Nat. Hist. 12th 



An. Rep't, p. 45, 58 



1859 Palaeontology of New York, v.3, supplement 



1860 — '■ N. Y. State Cab. Nat. Hist. 13th An. Rep't, p. 55 



1863 Salter, J. W. Note on Skiddaw Slate Fossils. Quarterly Journal of the 



Geological Society, 19 : 135 

 1865 Hall, J. Geological Survey of Canada. Figures and Descriptions of Canadian 



Organic Remains, decade 2 

 1865 Tornquist, S. L. Om Fagelsangstraktens Undersilnriska lager. Lunds Univ. 



Arsskrift. Tom. 2 

 1867 Nicholson, H. A. On a New Genus of Graptolites with Notes on Reproductive 



Buds. Geol. Mag. 4:256 



1867 Carruthers, W. Graptolites : their Structure and Systematic position. Intellec- 



tual Observer, 11:283, 365 



1868 Hall, J. Introduction to the Study of the Graptolites. N. Y. State Cab. Nat. 



Hist. 20th An. Rep't 

 1868 Carruthers, W. Revision of the British Graptolites, with Descriptions of the 



New Species, etc. Geol. Mag. 5 : 64 

 1868 Nicholson, H. A. Graptolites of the Skiddaw Series. Quar. Jour. Geol. Soc. 



24:125 



