50 Bulletin 6 50 



des depots paleozoi'ques de I'Amerique septentrionale avec 

 ceux de 1' Europe, suivie d'lin tableau des especes fossils 

 communes aux deux continents, avec 1' indication des etages 

 ou elles se Tencontrent, et terminee par un examen critique 

 de chacune de ces especes. — Bulletin de la Societe de France, 

 2e serie, t. iv, p. 646-710. 



1848. Conrad, T. A. Descriptions of new species of fossils, re- 

 cent shells and corals; Proc. Acad. Nat. Sci. Phila., vol. iii, 

 pp. 19-27. 



1852. Hall, Jas. Palseontolog)' of N. Y., vol. ii. 



1857. Hall, Jas. Descriptions of Palaeozoic fossils; loth Ann'l 

 Rep't N. Y. State Cabinet Nat. Hist., pp. 41-180. 



1858. Bigsby, J. J. On the Palaeozoic basin of the State of New 

 York. Part I. — A synoptical view of the mineralogical and 

 fossil chara(5lers of the Palaeozoic strata of the State of New 

 York; Quart. Jour. Goel. Soc. , vol. xiv, pp. 335-427. 



1858. Bigsby, J. J. Part II. — Classification of the Palaeozoic 

 strata of the State of New York; Quart. Jour. Geol. Soc, 

 vol. xiv, pp. 427-452. 



1859. Bigsby, J. J. Part III. — An inquiry into the sedimen- 

 tary and other external relations of the Palaeozoic fossils of 

 the State of New York; Quart. Jour. Geol. Soc, vol. xv, 



PP- 251-335- 

 i860. Hall, Jas. 13th Ann'l Rep't N. Y. State Cabinet Nat. 

 Hist. 



1 86 1. Hall, Jas. 14th Ann'l Rep't N. Y. State Cabinet Nat. 

 Hist. 



1862. Dawson, J. W. On the flora of the Devonian period in 

 northeastern North America; Quart. Jour. Geol. Soc, vol. 

 xviii, pp. 296-530. 



1863. Hall, Jas. Descriptions of new species of Brachiopoda 

 from the Upper Helderberg, Hamilton and Chemung groups; 

 i6th Ann'l Rep't N. Y. State Cabinet Nat. Hist., pp. 19-66. 



1867. Hall, Jas. Palaeontology of New York, vol. iv. 



1868. Hall, Jas. 2oth Ann'l Rep't N. Y. State Cabinet Nat. 

 Hist. 



1870. Hall, Jas. Prelim. Notice of Lamel., &c. , part ii; pp. i- 

 96. 



1873. Hall, Jas. 23d Ann'l Rep't N. Y. State Cabinet Nat. 

 Hist. 



1874. Pitt, W. H. New Grammy sia; Bull. Buffalo Soc. Nat. 



