walcott. J LITERATURE. 45 



Fori>, S. W. Note on the age of tlie Swedish Paradox ides beds. Am. Jour. Sci 3d 

 ser., vol. 32, 1886, pp. 473-476. 



Fbazeb, Peusifor. General notes. Sketch on the geology of York County, Penn- 

 sylvania. Am. Phil. Soc., Proo., vol. 23, 1886, pp. 391-410. 



Hall, James. Note on some obscure organisms in the rooting slates of Washington 

 County, New York. 29th Rept. State Mus. Nat. Hist. N. Y., 1885, p. 160. 



Hunt, T. Starry. The Taconic question in geology. Mineral physiology and physi- 

 ography. A second series of Chemical and Geological Essays. 1886, pp. 

 517-686. 



Low, A. P. Report of the Mistassini expedition, 1884-85. Geol. and Nat. Hist. 

 Surv. Canada, new ser., vol. 1, 1886, pp. 33D. 



Mattiikw, G. F. Synopsis of the fauna in division 1 of the St. John group, with 

 preliminary notes on the higher faunas of the same group. New Brunswick 

 Nat. Hist, Soc, Brill. No. 5, 1886, pp. 25-31. 



The Cambrian faunas of Cape Breton and Newfoundland. (Abstract.) Can- 

 adian Record Sci., vol. 2, 1886, pp. 255-258. 



Illustrations of the fauna of the St. John group continued. No. III. Descrip- 

 tions of new genera and species (including a description of a new species 

 of Solenopleura by J. P. Whit-eaves). Trans. Roy. Soc. Canada, vol. 3, sec. 

 iv, 1886. pp. 29-84. (Proc. for 1885.) 



Note on the occurrence of Olenellus (?) kjerulfi in America. Am. Jour. Sci., 



3d ser., vol. 31, 1886, pp.472, 473. 



Smock, John C. A geological reconnoissance in the crystalline rock region, Dutch- 

 ess, Putnam, and Westchester Counties, New York. 39th Ann. Rep. State 

 Mus. Nat. Hist,, 1886, pp. 166-185. 



Walcott, C. D. Classification of the Cambrian of North America. Am. Jour. Sci., 

 3d ser., vol. 32, 1886, pp. 138-157. 



Second contribution to the studies of the Cambrian faunas of North America. 



U. S. Geol. Survey Bull. No. 30 ; vol. 4, 1886, pp. 729-1095. (Separate paging, 

 pp. 1-369. ) 



Cambrian age of the roofing slates of Granville, Washington County, New 



York. Am. Assoc. Proc, vol. 35, 1887, pp.223, 221. (Separates issued 1886.) 



Winchell, N. H. New species of fossils. 14th Aud. Rep. Minn. Geol. and Nat. Hist. 

 Surv. 1886, pp. 313-318. 



Revision of the stratigraphy of the Cambrian in Minnesota. Ibid, pp. 325-337. 



1887. 



Ami, H., and T. W. E. Sowter. Report of the geological branch [of Ottawa Field 

 Naturalists' Club.] Ottawa Naturalist, vol. 1, 1887, pp. 93-97. 



Dana, James D. On Taconic rocks and stratigraphy, with a geological map of the 

 Taconic regions. Part 2 : the Middle and Northern part. Am. Jour. Sci., 

 3d ser., vol. 33, 1887, pp. 270-276, 392-419, pi. 11. (Continued from vol. 29, 

 1885, p. 443.) 



Dawson, G. M. On certain borings in Manitoba and the Northwest Territory. Royal 

 Soc. Canada, Proc. and Trans., vol. 4, section iv, 1887, pp. 85-99. 



[Dawson, G. M.] [Notes on exploration in the Yukon district.] Science, vol. 10, 

 1887, pp. 165, 166. 



Dwight, William B. Primordial rocks of the Wappiuger Valley limestones and 

 associated strata. Vassar Brothers Inst., Trans., vol. 4, 1887, pp. 206-214. 

 Discovery of additional Potsdam and pie-Potsdam strata of the Olenellus 

 group near Poughkeepsie, New York. Am. Jour. Sci., 3d ser., vol. 34, 1887, 

 pp. 27-32. 



Ells, R. W. Report on the geology of a portion of the eastern townships of Que- 

 bec. Geol. Sur. Canada, 1886, new ser., vol 2, 1887, pp. 1 J-70J. 



McConnkll, R. G. Report on the geological structure of a portion of the Rocky 

 Mountains, with a section. Geol. Surv. Canada, 1886, new ser., vol. 2, 1887, 

 pp. 1D-41D. 



Matthew, G. F. Illustrations of the faunas of the St. John group. No. 4. Cana- 

 dian Rec. Sci., vol. 2, 1887, pp. 357-363, 432. (Abstract.) 



On the Cambrian faunas of Cape Breton and Newfoundland. Royal Soc. Can- 

 ada, Proc. and Trans., vol. 4, section iv, 1887, pp. 147-157. 



On the kin of the Paradoxides (Olenellus?) kjerulfi. Am. Jour. Sci., 3d ser., 



vol. 33, 1887, pp. 390-392. 



Rominger, C. Description of Primordial fossils from Mount Stephens, Northwest 

 Territory of Canada. Philadelphia Acad. Sci., Proc. 1887, pp. 12-19. 



Stevenson, John J. A geological reconnoissance of Blaud, Giles, Wythe, and por- 

 tions of Pulaski and Montgomery Counties of Virginia. Am. Philos. Soc. 

 Proc, vol. 24, 1887, pp. 61-108. 



Walcott, Charles 1). Fauna of the "Upper Taconic" of Emmons, in Washington 

 County, New York. Am. Jour. Sci., 3d ser., vol. 34, 1887, pp. 187-199. 



