CiBTON,] 



NORTH AMERICAN GEOLOGY. 



991 



■Wadsworth, Martin E.t— Continued. 

 [ ] The Potsdam and St. Peters sand- 

 stones. 



Science, vol. 2, p. 52 (| p.), 1883. 

 Eeview of E. D. Irving, Am, Jonr. Sci., 3d 

 series, vol. 25, p. 401, 1883. 



[ ] Rhyolite from Yellowstone Park. 



Science, vol. 1, p. 464 (J p.), 1883. 

 Review of "W. Beam, Am. Jour. Sci., 3d se- 

 ries, vol. 25, p. 106, 1883. 



[ ] Hyperstlieneandeslte. 



Science, vol. 1, p. 490 (§ p.), 1883. 

 Eeview of W. Cross, XJ. S. Geol. Surv., BnU. 

 No.l. 



St. David's rocks and universal law. 



Science, vol. 1, p. 541 (f p.), 1883. 



The microscopic evidence of a lost 



continent. 



Science, vol. 1, pp. 590-592, 3883. 

 Review of A. Benard, Am. Soo. Beige Mi- 

 cro., 1882. 



[ ] The Cheviot andesite and porphy- 



rites. [Notice of memoir hy Teall, 

 Geol. Mag., March, 1883.] 

 Science, vol. 1, p. 368 (J p.), 1883. 



Relations of the "felsyte" to the 



conglomerates on Central avenue, Mil- 

 ton, Mass., to the south of Boston. 



Am. Jour. Sci., 3d series, vol. 25, pp. 475-476 

 (J p.), 1883. 

 From Harvard Univ. Bull., October, 1882. 



Note on Prof. R. B. Irving's paper on 



the paramorphic origin of the horn- 

 blende of the crystalline rooks of the 

 Northwestern States. 



Am. Jour. Sci., 3d series, vol. 26, p. 155 (J p.), 

 1883. 

 Reviewed by E. D. Irving, pp. 321-322 (| p.). 



AlgsB and spray markings. 



Science, vol. 1, p. 39 (J col.), 1883. 



[ ] The hornblendic granite of Qnincy, 



Mass. 



Science, vol. 1, p. 76 (J col.), 1883. 



Meteoric and terrestrial rooks. 



Science, vol. 1, pp. 127-130, 1883. 



Keweenaw Point geology. 



Science, vol. I, pp. 248-249 (| p.), 1883. 

 Review of R. D. Irving, "Copper-bearing 

 rocks of Lake Superior," ibid., pp. 140-141. 



The appropriation of the name Lau- 



rentian by the Canadian geologists. 

 [Abstract.] 



Boston Soc. Nat. Hist., Proc, vol. 21, pp. 121- 

 122, 1883. 



[On the country rock of Marblehead, 



Mass.] 



Boston Soc. Nat. Hist., Proo., vol. 21, p. 306 

 (i p.), 1883. 



Wads'worth, Martin E. — Continued. 



On the trachyte of Marblehead, Mass. 



Boston Soc. Nat. Hist., Proc, vol. 21, pp. 288- 

 294, 1883. 



The relation of the Quinoy granite to 



the Primordial argillite of Braintree, 

 Mass. 



Boston Soc. Nat. Hist., Proc, vol. 21, pp. 274- 

 277,1883. 



Tufa from Florissant. 



ITnlted States geological aud geographical 

 survey of the Territories, F. V. Hayden in 

 charge, 12th Annual Report [for 1878], Wyo- 

 ming and Idaho, part 1, pp. 276-278, Washing- 

 ton, 1883. 



[ ] Lithology of the Eisengebirge. 



[Notice of paper by Helmhacker, Arch, 

 natur. Landesduxchf. Bohmen, 1882, 

 vol. 87.] 



Science, vol. 1, p. 342 (| p.), 1883. 



United States geologists, sandstones, 



and the Keweenawan series. 

 Science, vol. 1, p. 307 (i p.), 1883. 



On the evidence that the earth's in- 

 terior is solid. 



Am. Nat., vol. 18, 587-594, 678-686, 767-773, 

 1884. 



Descriptive catalogue of 100 thin 



sections of American and foreign rocks, 

 for students in microscopic lithology, 

 20 pages, 1884. [Not seen.] 



Notes on the geology of the copper 



and iron districts of Lake Superior. 

 Harvard Coll., Mus. Comp. ZooL, BuU., vol. 

 7, pp. 1-157, 6 plates, 1884. 



Reviewed by J. U. B[ana], Am. Jour. Sci., 3d 

 series, vol. 20, pp. 330-332, 1880. 

 Abstract, ibid., vol. 22, pp. 403-408, 1881. 



On an occurrence of gold in Maine. 



Harvard Coll., Mus. Comp. ZooL, Bull., vol. 

 7, p. 181 (f p.), 1884. 



A microscopical study of the iron 



ore or peridotite of Iron Mine Hill, 

 Cumberland, R. I. 



Boston Soc. Nat. Hist., Proc, vol 21, pp. 

 194^197, 1883. 



Harvard Coll., Mus. Comp. Zool., Bull., vol. 

 7, pp. 183-187,1884. 



Reviewed by J. D. D[ana], Am. Jour. Sci., 3d 

 series, vol. 22, p. 152 (§ p.), 1881. 

 Abstract, Am. Nat., vol. 15, p. 648 (J p.), 1881. 



The lateral secretion theory of ore 



deposits. 



£ng. and Mining Jour., vol. 37, pp. 364-365 

 40,1884. 



Notes on the lithology of the Island 



of Jura, Scotland. 



Boston Soo. Nat. Hist., Proc, vol. 22, pp. 

 485-489,1881. 



