221. 
222. 
223. 
224. 
225. 
226. 
227. 
228. 
229. 
230. 
231. 
232. 
233. 
234. 
235. 
236. 
237. 
238. 
239. 
240. 
241, 
242. 
243. 
244. 
245. 
246. 
247. 
248. 
249. 
250. 
APPENDIX TO PART IV, 261 
Hornblende schist, Piermont. 
Hornblende schist, Stark. 
Hornblende schist, Westmoreland. 
Hornblende schist (epidotic, chloritic), Milan, p. 232. 
Hornblende schist (garnetiferous), Hanover, pp. 74 and 231. 
Hornblende schist, Hanover, p. 232. 
Chloritic quartz schist, Lebanon, p. 233. 
Chlorite schist, Connecticut lake, p. 233. 
Chlorite schist, Lisbon, p. 233. 
Chloritic mica schist, Raymond, p. 233. 
Chlorite schist, North Lisbon, p. 233. 
Chlorite schist, Dalton, p. 233. 
Clay slate (roofing slate), Littleton, p. 237. 
Conglomerate, North Lisbon. 
Conglomerate, North Lisbon. 
Auriferous conglomerate, Lyman. 
Quartzite (veinstone), Madison lead mine, p. 80. 
Quartzite (veinstone), Cornish, p. 80. 
Quartzite (veinstone—auriferous), Dodge mine, Lyman, p. 50. 
Soapstone, Francestown. 
Soapstone, Lancaster. 
Soapstone (talc schist), Orford. 
Soapstone (talc schist), Orford. 
Limestone (micaceous), Haverhill. 
Limestone (white, Helderberg), North Lisbon. 
Limestone (gray, Helderberg), Littleton. 
Limestone (crinoidal, Helderberg), Bernardston, Mass. 
Siliceous limestone, Cornish. 
Dolomitic limestone (very siliceous), Lyman. 
Magnetite, Franconia. 
ARRANGEMENT BY FORMATIONS. 
For the convenience of those who wish to study the rocks in their stratigraphical 
relations, Prof. Hitchcock adds the following numbers, to correspond with the classifi- 
cation of the formations in Volume II, beginning with the lowest one: 
Pains have been taken to have all the specimens exactly alike, so that those who 
obtain duplicate collections, by purchase or otherwise, may be sure that Mr. Hawes’s 
accurate descriptions in the chapter on Lithology are applicable to their set. A. A. 
Julien, of the School of Mines at Columbia college, New York, has for sale, prepared 
