BIBLIOGRAPHY OP JAMES HALL 441 



47. * On the reproduction of similar types or representative species in successive 



geological formations, illustrated by a collection of species of the Bvachiopoda 

 from the Niagara and Lower Helderberg groups of the Palaeozoic rocks of 

 the United States : Ibid. , p. 290. 



48. * Red sandstone of the Connecticut River valley and the proofs of its Oolitic or 



Liassicage: Ibid., p. 290. 



49. * Remarks upon the geological formation of the country along the line of the 



[Mexican] Boundary Survey, based upon the examinations of Dr Parry, 

 made under the order of Major [W. H.] Emory : Ibid., p. 291. 



50. *The Silurian and Devonian systems and the nature of the evidence for draw- 



ing a line of separation between the two systems in the United- States : 

 Ibid., p. 291. 



51. *0n the western limits of the Cretaceous formation on the northern continent 



of America as evidenced by the various collections that have been made by 

 exploring expeditions under the direction of the government of the United 

 States: Ibid., p. 291. 



52. * Contributions to our knowledge of the geology of Nebraska and the Mau- 



vaises Terres: Proc. Am. Assoc. Adv. Sci., ninth meeting (Providence, 1855), 

 Cambridge, 1856, p. 277. 



53. * Notes upon the genus GraptoUthus : Ibid., p. 277. 



54. * On the development of the septa in the genus Baculites from the extreme 



young to the adult state: Ibid., p. 277. 



55. Descriptions of new species of fossils from the Cretaceous formations of Ne- 



braska, with observations upon Baculites ovatus and B. compressus, and the 

 progressive developinent of the septa in Baculites, Ammonites, and Scaphites : 

 J. Hall and F. B. Meek. Memoirs of the American Academy of Arts and Sciences, 

 vol. V, new series, Cambridge, 1856, pp. 379-411, 8 pis. 



56. On the genus Tellinomya and allied genera: The C'anad. Nat. and Oeol., vol. 1, 



Montreal, 1856, pp. 390-395. 



57. Observations on the genns ArcJiimedes or Fenestella, with descriptions of species, 



etc. : Proc. Am. Assoc. Adv. Sci., tenth meeting (Albany, 1856), Cambridge, 

 1857, pp. 176-180. 



58. On the Carboniferous limestones of the Mississippi valley: Ibid., pp. 51-69. 



59. Opening address before the American Association : Ibid., pp. 230-232. 



60. *0n some points in the geology of the upper Mississippi valley : Ibid., p. 226. 



61 . * On the results of collections of fossils during a period of ten years in the lime- 



stones of the Lower Helderberg: Ibid., p. 227. 



62. Observations upon the Carboniferous limestones of the Mississippi valley. 



[Abstract.] Am. Jour. Sci., 2d ser., vol. 23, New Haven, 1857, pp. 187-203. 



63. Remarks upon the genus Archimedes or Fenestella from the Carboniferous lime- 



stones of the Mississippi valley: Ibid., pp. 203, 204. 



64. Observations upon the Cretaceous strata of the United States, with reference 



to relative position of fossils collected by the [Mexican] Boundary Commis- 

 sion: Am. Jour. Sci. and Arts, 2d ser., vol. 24, New Haven, 1857, pp. 72-86. 



65. Descriptions of Palaeozoic fossils: Tenth Ann. Rept. N. Y. State Cab. Nat. Hist., 



Appendix C, Albany, 1857, pp. 41-180. 



66. *0n tlie Cretaceous formations of the United States and the North American 



continent: Froc. Am. Assoc. Adv. ScL, 11th meeting (Montreal, 1857), Cam- 

 bridge, 1858, p. 158. 

 LXIII— Bull. Geol. Soc. Am., Vol. 10. 1898 



