778 GEOLOGY OF OLD HAMPSHIRE COUNTY, MASS. 



1881. C.H.Hitchcock. Geological map of the United States, with pamphlet ; map 13 

 by 8 feet. J. Bien, New York. 



1881. G. W. Hawes. On the miueralogical composition of the normal Mesozoic diabase 

 upon the Atlantic border. Proc. U. S. Nat. Mus., vol. 4, p. 129. 



1881. Chauncey Stephenson. Local geology, West Wortldngton. Hampshire Ga- 

 zette, November 22, 1881. 



1881. Chauncey Stephenson. Local geology No. 2 (emery and iron). West Worthing- 



ton. Hampshire Gazette, November 29, 1881. 



1882. J. D. Dana. The flood of the Connecticut River Valley from the melting of the 



Quaternary glacier. Am. Jour. Sci., 3d series, vol. 23, jjp. 87 and 179. 

 1882. B. K. Emerson. The Deerfield dike and its minerals. Ibid., vol. 24, pp. 195, 



270, 349. 

 1882. W. M. Davis. Triassic trap rocks of Massachusetts, Connecticut, and New 



Jersey. Ibid., p. 345. 



1882. W. M. Davis. The structural value of the trap ridges of the Connecticut Val- 



ley. Proc. Boston Soc. Nat. Hist., vol. 22, p. 116. 



1883. Albert Williams, jr. Mineral resources of the United States, vol. 1. U. S. 



Geol. Survey. 



1883. G. F. Kunz. American gems and precious' stones. Separate i)nblication from 

 above work. (Mineral resources, vol. 1.) 



1883. W. M. Davis. On the relation of the Triassic traps and sandstones of the east- 

 ern United States. Bull. JIus. Comp. Zool. Harvard Coll.. vol. 7 (Geol. 

 Series 1), j). 251; 3 plates of sections. 



1883. R. P. Whitfield. Observations on the fossils of the metamorphic rocks of Ber- 

 nardston, Mass. Am. Jour. Sci., 3d series, vol. 25, p. 368. 



1883. G. 11. Cook. Annual Report of the State Geologist of New Jersey for 1882, 

 Trenton, N. J. 



1883. J. D. Dana. Review of above, including notes on " The origin of the Jura- 

 Trias of eastern North America." Am. Jour. Sci., 3d series, vol. 25, p. 383. 



1883. J. D. Dana. Western discharge of the flooded Connecticut. Ibid., p. 440. 



1883. J. D. Dana. Phenomena of the Glacial and Champlain periods about the 



mouth of the Connecticut Valley; that is, in the New Haven region. Ibid., 

 vol. 26, p. 341. 



1884. J. D. Dana. Drift and terraces. Papers on the Quaternary of New England, 



from Am. Jour. Sci., 1871 to 1884, and Mem. Conn. Acad., 1870. (A small 

 edition of the papers cited above, bound in a single volume.) 



1884. M. E. Wadsworth. Lithological studies. Mem. Mus. Comp. Zool. Harvard Coll., 



vol. 11, p. 1; 4°; 8 plates; serpentine, Westfleld, Mass. (pi. 7, fig. 3). 



1885. Albert Williams, jr. Mineral resources of the United States, vol. 2. U. S. Geol. 



Survey. 

 1885. G. F. Kunz. Precious stones. Separate publication from above work (Mineral 



resources, vol. 2). 

 1885. A. G. Dana. On the gahnite of Rowe, Mass. Am. Jour. Sci., 3d series, vol. 29, 



p. 455. 



