Charles Thomaa Jackson. — Woodworth. 89 
1843. 
Observations on yttro-cerite in Bolton, Conn. Abs. in Anier. Jour. 
Sci., XLV,331. 
Remarks on the injurious effects of magnesia and hydrated peroxide 
of iron upon vegetation. Proc. Amer. Assoc. Geol. and Nat., Boston, 
1843, p. 12. Second session, Phila., 1841. Also in Abs. of Proc. Amer. 
Assoc. Geol. and Nat., first meeting in Phila., April, 1840, New Haven, 
1841, pp. 4-5. Also Amer. Jour. Sci., xli, 1841, pp. 159-160. 
Remarks on potash in soils. Proc. Amer. Afsoc. Geol. and Nat.. Bos- 
ton, 1843, pp. 12-13. Second session, Phila., 1841. 
Remarks on an exhibit of fossils and minerals. Proc. Amer. Assoc. 
Geol. and Nat., Boston, 1843. pp. 14-15. Second session, Phila., 1841. 
Also in Abstract Proc. 1st meeting. New Haven, 1841, pp. 6-7. Also 
Amer. Jour. Sci., xli, 1841, 161-162. Chlorophyllite, uuisonite, Sypho 
nia, etc. 
Remarks on the fossil annelid trails in the slates of Waterville, Me. 
Proc. Amer. Assoc. Geol. and Nat. Boston, 1843, pp. 16-17. Second 
session, Phila., 1841. Also in Abstract Proc, first meeting. New Ha- 
ven, 1841, pp. 8-9. Also Amer. Jour. Sci., xli, 1841, pp. 163-164. 
Remarks upon the geology of Maine and New Hampshire, Proc. 
Amer. Assoc. Geol. and Nat., Boston, 1843, p. 17. Second session, Phila., 
1841. Published by title only. 
Remarks on granular or crystallized dolomite. Proc. Assoc. Amer. 
Geol. and Nat., second session. Phila, 1841. Boston, 1843, p. 24. Also 
Abstract Proc, first and second meeting, New Haven, 1841, p. 16. Also 
Amer. Jour. Sci., xli, 1841, p. 371. 
Observations on joints in conglomerates. Proc. Amer. Assoc, second 
session, Phila., 1841. Bost(m, 1843, p. 25. Also in Abstract first and 
second meetings. New Haven. 1841, p. 17. Also Amer. Jour. Sci., xli. 
1841, 172. 
Observations upon infusorial deposits under peat bogs at Newfield,Me. 
Proc. Amer. Assoc. Geol. and Nat., Boston, 1843, p. 26. Also Abstract 
Proc, first and second meeting. New Haven, 1841, p. 19. Also Amer. 
Jour. Sci., XLI, 1841, p. 174. 
Observations on the trap dikes of Nova Scotia. Proc. Amer. Assoc. 
Geol. and Nat., Boston, 1843, p. 26. Also Abstract Proc, 1st and sec- 
ond meeting. New Haven, 1841, p. 18. Also Amer. Jour. Sci., xli, 1841, 
p. 173. 
Observations vip<m diluvial currents indicated by the iron ore of 
Cumberland, R. I., and made rock of Lancaster, Mass. Proc. Amer. 
Assoc. Geol. and Nat., Boston, 1843, p. 29. Alto Abstract Proc, first 
and second meeting, New Haven, Conn., 1841, p. 21. Also Amer. Jour. 
Sci., XLI, 1841, p. 176. 
Remarks on the construction of geological maps. Proc. Amer. Assoc. 
Geol. and Nat., Boston, 1843, p. 38. Also Abstract Proc, first and sec- 
ond meeting. New Haven, 1841, p. 31. .\i8o Amer. Jour. Sci., xli, 1841, 
p. 186. 
