LIST OF rrP.LIOATIONS. 779 



18S5. G. p. Merrill. The collection of buildiu<^ iiiul ornaiiu'iital stones in the 

 United States National Museum; a haudbook aud cataloj^ue. Iteport Smith- 

 sonian Institution, 1S85-0, Part II, pp. 277-648; Plates I-IX. 



1885. Dwight Porter. Keport on the water power of the region tributary to Long 



Island Sound. Tenth Census U. S., vol. 10. 



1886. A. Williams, jr. Mineral resources of the United States, vol. •'!. U. S. Geol. 



Survey. 

 1886. G. F. Kunz. Precious stones. Separate publication from above work (Mineral 



resources, vol. 3). 

 1886. Chauncey Stephenson. The talcose slate ledge in western Hampshire (native 



gold on farm of Austin Geer, in West Worthington). Hampshire Gazette, 



February 22, 1886. 

 1886. Samuel H. Scudder. Theoldest known insect larva, Jlormolucoides articulatus, 



from the Connecticut Piver rocks. ^lem. Boston Soc. Xat. Hist., vol. 3, No. 13, 



p. 431 ; 40. 

 1886. W, M. Davis. The structure of the Triassic formation of the Connecticut Valley. 



Am. Jour. Sci., 3d series, vol. 32, p. 342. 

 1886. E. S. Dana. Mineralogical notes; Columbite, Northtield; Diaspore, Chester. 



Ibid., p. 386. 

 1886. David T. Day. Mineral resources of the United States for 1885; vol. 3. U. S. 



Geol. Survey. 



1886. Raphael Pumpelly. Mining industries of the United States; Corundum, mica, 



feldspar, quartz. Tenth Census U, S., vol. 15. 



1887. B. K. Emerson. Preliminary notes on the succession of the crystalline rocks 



and their various degrees of metamorphism in the Connecticut Eiver region 



(abstract). Proc. Am. Assoc. Adv. Sci., 3oth meeting, Buffalo, p. 231 ; also 



Am. Jour. Sci., 3d series, vol. 32, pp. 323 and 324. 

 1887. B. K. Emerson. The age and cause of the gorges cut through the trap ridges 



by the Connecticut aud its tributaries; Prelim. Notes. Proc. Am. Assoc. 



Adv. Sci., p. 232. 

 1887. B. K. Emerson. The Holyoke range of the Connecticut. Ibid., p. 233. 

 1887. B. K. Emerson. The geology of Hampshire County. W. B. Gay, Syracuse, 



N. Y. Chapter II in Gazetteer of Hampshire County; also Am. Jour. Sci., 



3d series, vol. 32, p. 223. Section on the Glacial lake copied. Am. Jour. Sci., 



3d series, vol. 34, p. 404. 

 1887. N. S. Shaler. Fluviatile swamps of New England. Ibid., vol, 33, p. 210. 

 1887. J. D. Dana. Taconic rocks and stratigraphy, with a geological map of the 



Taconic region. Ibid., j). 393. 

 1887. David T. Day. Mineral resources of the United States, vol. 4. U. S. Geol. 



Survey. 

 1887. G. F. Kunz. Precious stones. Separate publication from above work (Mineral 



resources, vol. 4). 



