37- SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 53 



BIBLIOGRAPHY. 



Agassiz, Alexander. 



1878. The American Journal of Science, 3d ser., Vol. 15, 1878, pp. 75-76: 

 Note on the Habits of young Limulus. 

 Barrajvde, J. 



1852. Systemc Silurien du Centre de la Boheme, pt. i, Recherches Paleon- 



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 1861. Bulletin de la Societe Geologique de France, 2d series, Vol. 18, pp. 

 203-321, pis. 4 and 5 : Documents anciens et nouveaux sur la 

 faune primordiale et le Systeme Taconique en Amerique. 

 1872. Systeme Silurien du Centre de la Boheme, pt. i, Recherches Paleon- 

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 Beecher, C. E. 



1895. The American Geologist, Vol. 16, 1895, PP- 166-197, pis. 8-10: The 



larval stages of trilobites. 

 1897. The American Journal of Science, 4th series, Vol. 3, 1897, pp. 181-207, 

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 Bernard, H. M. 



1894. The Quarterly Journal of the Geological Society of London, Vol. 50, 

 1894, pp. 411-432, 17 figures : Systematic position of the Trilobites. 

 Billings, E. 



1861. Geological Survey of Canada, Paleozoic fossils, 1861 (November), 

 pp. 1-24: On some new or little-known species of Lower Silurian 

 Fossils from the Potsdam Group (Primordial zone). (See Pref- 

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 1865. Geological Survey of Canada, Paleozoic Fossils, Vol. i, 1865 ; 4to, 

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 Brogger, W. C. 



1878. Nyt Magazin for Naturvidenskaberne, Bind 24, iste Hefte, 1878, pp. 

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 Burr, H. T. 



1900. The American Geologist, Vol. 25, 1900, pp. 41-50: A new Lower 

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 Clarke, J. M., and Ruedemann, R. 



1903. Bulletin of the New York State Museum, No. 65, 1903 : Catalogue 

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 Cobbold, E. S. 



1910. The Quarterly Journal of the Geological Society of London, Vol. 66, 

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 Cole, G. A. J. 



1892. Natural Science, Vol. i, 1892, pp. 340-346 : The story of Olenellus. 

 Dale, T. N. 



1899. Nineteenth Annual Report of the United States Geological Survey, 

 pt. 3, 1899, pp. 153-300: The slate belt of eastern New York and 

 western Vermont. 



