HUDSON RIVER BEDS NEAR ALBANY 583 



0S I. P. Bisliop. On certain fossiliferous limestones of Columbia co. 

 N. Y., and their relations to the Hudson river shales and the Taconlc 

 system. (Amer. jour. sci. 1886. 32:438-41) 



84 Charles Lapworth. Preliminary report on some graptolites from th« 

 Lower Palaeozoic rocks on the south side of the St Lawrence, etc. 

 (Pro. and tranS. roy. soc. Can. 1886. 4:167-84) 



35 E. O. Ulrich. A correlation of the Lower Silurian horizons of Ten- 

 nessee and of the Ohio and Mississippi valleys with those of 

 New York and Canada. (Amer. geologist. 1888. 1:100-10, 179-90, 

 305-15; 188S. 2:39^4) 



ZQ C. D. Walcott. The Taconic system of Emmons, and the use of th« 

 name Taconic in geologic nomenclature. (Amer. jour. sci. 1888. 

 35:229-42, 307-27, 394-401, with map) 



S6a Value of the term " Hudson river group " in geologic nomen- 

 clature. (Bui. geol. soc. Amer. 1890. 1:335-57) 



37 C. A. Ashburner. Petroleum and natural gas in New York. (Trans. 

 Amer. inst. min. eng. 1888. 16:1-54) 



^8 H. M. Ami. On the geology of Quebec and environs. (Bui. geol. soc. 

 Amer. 1890. 2:478-502) 



89 W. W. Dodge. Some Lower Silurian graptolites from northern 

 Maine. (Amer. jour. sci. 1890. 40:153f) 



40 R. W. Ells. Stratigraphy of the Quebec group. (Bui. geol. soc. 



Amer. 1890. 1:453-66) 



41 C. S. Prosser. Thickness of the Devonian and Silurian rocks in west- 



ern central New York. (Amer. geologist. 1890. 6:199-211) 



42 J. P. Kimball. Siderite basins of the Hudson river epoch. (Amer. 



jour. sci. 1890. 40:155f) 



43 Bailey Willis. The mechanics of Appalachian structure. (13th an. 



rep't U. S. geol. sur. 1893. pt 2, geol. p. 212-48) 



44 T. N. Bale. The Rensselaer grit plateau in New York. (13th an. 



rep't U. S. geol. sur. 1893. pt 2, geol. p. 297-337) 



45 I. E. Wolff. Geology of Hoosac mountain and adjacent territory. 



(U. S. geol. sur., monogr. 23. 1893. p. 41-102) 



46 O. S. Prosser. Thickness of the Devonian and Silurian rocks of Cen- 



tral New York. (Bui. geol. soc. Amer. 1893. 4:91-118) 



47 G. F. Matthew. Climate of Acadia in the earliest times. (Bui. nat 



hist. soc. New Brunswick. 1893. 11:3-18) 



48 N. H, Barton. Preliminary rep't on the geology of Albany county. 



(13th an. rep't N. Y. state geologist. 1894. 1:229-61) 



49 Geology of Minnesota. 1895-97. v. 3 of final report, pt 1 and 2, 



paleontology. 



50 R. R. Gurley. North American graptolites: new species and ver- 



tical range. (Jour. geol. 1896. 4:63-102, 291-311) 



51 T. G. White. The faunas of the Upper Ordovician strata of Trenton 



falls, Oneida co. N. Y. (Trans. N. Y. acad. sci. 1896. 15:71-96) 

 «2 C. R. Van Hise. Deformation of rocks, 4. (Jour. geol. 1890. 

 4:593-629) 



