71^ 



NORTH AMERICAN INDEX FOSSILS. 



1 



1890 Emerson, B. K. [Bernardston, 

 Mass.] A. J. S. (3), 40: 263-275, 

 363-374. 



1890 Prosser, C. S. The geological 

 position of the Catskill group. Am. 

 Geol. 7: 351-366. 



1 89 1 Clarke, J. M. The fauna with 

 Goniatites intumescens in western 

 New York. Ibid. 8: 86-105. 



1891 Hall, J. Report of the state 

 geologist for 1891. [Includes list of 

 Devonian species in the Livonia salt 

 shaft.] N. Y. State Mus., Ann. Rept. 

 45 : 323-345. 



1892 Prosser, C. S. Notes on the 

 geology of Skunnemunk Mountain, 

 Orange County, New York. N. Y. 

 Acad. Sci., Trans. 11 : 132-149. 



1893 The upper Hamilton and 



Portage stages of central and eastern 

 New York. A. J. S. (3), 46 : 212-230. 



1893 The Devonian section of 



central New York along the Unadilla 

 River. N. Y. State Mus., Ann. Rept. 

 76: 256-288. 



1895 The Devonian system of 



eastern Pennsylvania and New York. 

 U. S. G. S. Bull. 120, 81 pp., plates. 



1896 Kindle, E. M. The relation of 

 the fauna of the Ithaca group to the 

 faunas of the Portage and Chemung. 

 Am. Pal., Bull. vol. 2, no. 6, 54 pp. 



1897, 1899 Prosser, C. S. The classi- 

 fication and distribution of the Ham- 

 ilton and Chemung series of central 

 and eastern New York. Parts I. and 

 II. N. Y. State geologist, Ann. Rept. 

 15: 12-13, S7-222, plates, and 17: 

 67-315, plates. 



1897 Girty, G. H. A revision of the 

 sponges and coelenterates of the 

 lower Helderberg group of New 

 York. Ibid. 14: 261-309. 



1898 Clarke, J. M. The stratigraphic 

 and faunal relations of the Oneonta 

 sandstone and shales, the Ithaca 

 group in central New York. N. Y. 

 State Mus., Ann. Rept. 49 ; vol. 2, pp. 

 31-81. 



1898 Hall, J., and Clarke, J. M. A 



memoir on the Paleozoic reticulate 

 sponges constituting the family Dic- 

 tyospongidae. Ibid., Memoir 2. 

 1898 Luther, D. D. The stratigraphic 

 position of the Portage sandstones in 

 the Naples Valley and the adjoining 

 region [N. Y.]. N. Y. State Mus., 

 Ann. Rept. 49, vol. 2, pp. 227-236, 

 plates. 



1898 and 1899 Grabau, A. W. Geology 

 and paleontology of Eighteen Mile 

 Creek and the lake shore sections of 

 Erie Co., New York. Buffalo Soc. 

 Nat. Hist., Bull. 6 : 1-403, text 

 figures. 



1899 The faunas of the Hamil- 

 ton group of Eighteen Mile Creek 

 and vicinity in western New York. 

 N. Y. Geol. Surv., Ann. Rept. 16: 

 227-340. 



1899 Prosser, C. S., and Rowe, R. B. 

 Stratigraphic geology of the eastern 

 Helderbergs. Ibid. 17: 333-354> 

 plates. 



1899 Prosser, C. S. Sections of the 

 formations along the northern end of 

 the Helderberg plateau. Ibid. 18: 

 53-72, plates. 



1899 Clarke, J. IVT. The Naples fauna. 

 Ibid. 16 : 29-162. 



1900 The Oriskany fauna of 



Becraft Mountain, Orange Co., New 

 York. N. Y. State Mus. Memoir 3 : 

 5-121. 



1900 Schuchert, C. Lower Devonic 

 aspect of the lower Helderberg and 

 Oriskany formations. G. S. A., Bull. 

 II : 241-332. 



1901 Wood, E. Marcellus (Stafford) 

 limestones of Lancaster, Erie Co., 

 New York. N. Y. State Mus., Bull. 

 49 : 139-181, plate. 



1 90 1 Clarke, J. M. Limestones of 

 central and western New York inter- 

 bedded with bituminous shales of the 

 Marcellus stage, with notes on the 

 nature and origin of their faunas. 

 Ibid. 49: 115-138, plate. 



1901 Value of Amnigenia as an 



indicator of fresh water deposits 



