Charles Thomas Jackson. — Woodworth. 109 
admit that these pebbles were ever plastic and attributed their form to 
the action of water. 
Observation upon the failure of earthquake shocks to affect deep 
mines in California, p. 187. 
Letter to Samuel F. B. Morse, dated Boston Nov. 7th, 1837. In "A 
memorial of Samuel F; B. Morse, from the city of Boston. Public Doc- 
ument, 1872, p. 75-77. Relates to invention of magnetic telegraph. 
Relations of syenite at Richmond, elevation of coast of Hatteras re- 
gion and Maine. Amer. Nat., v, 1872, p. 181. 
1873. 
Proc. Boston Soc. Nat. Hist., xv, 1873. 
Analysis of meteoric iron from Los Angelos, Cal., pp. 254-255. 
Remarks on the geological survey of New Hampshire, p. 309. Map 
could not be colored for want of time, thought no inference could be 
drawn from fossils found by Hitchcock at Littleton. 
Remarks on the death of Dr. Henry Coit Perkins, pp. 310-311. 
(Posthumous). 1887. 
Catalogue of rocks, minerals, and soils, collected during the geologi- 
ical survey of Rhode Island, summer of 1839. Providence Franklin 
society, report on the geology of Rhode Island. Providence, 1887, pp. 
58-68. This list is based upon two MSS., copies in the possession of the 
society: probably not before printed. 
Reviews and Works growing out of Jackson's Publications. 
Review. First report of the geology of the state of Maine. Amer. 
Jour. Sci., XXXII, 1837, pp. 193-194. 
C. U. Shepard. Report, Chester emery mine, 18 — , p. G. Objects to 
Jackson's considering emery a distinct species from corundum. Cited 
by B. K. Emerson, Mineralogical Lexicon, p. 62. 
Dall, W. H., and G. D. Harris. Correlation papers, Neocene. Bull. 
84, U. S. Geol. Survey. Washington, 1892. pp. 32-.33. Dr. Jackson's ter- 
tiary deposits of Maine, probably quaternary, p. 34. Views on Tertiary 
deposits in Rhode Island unsupported. 
Foster, J. W. and J. D. Whitney. Rejjort on the geology of the 
lake Superior land district, pt. ii, Washington, 1851, p. 137. Jackson's 
argument for superior position for lake Superior sandstone controvert- 
ed. 
Van Hise. C. R. Correlation papers, Archaean and xllgonkian. Bull. 
86, U. S. Geol. Survey, Washington, 1892., p. 384. "Jackson, among 
the older geologists, has steadily maintained the essentially igneous or- 
igin of the granites and syenites." Reviews Jackson's work on these 
rocks. 
Hamel, D. Historical account of the introduction of the galvanic 
and electro-magnetic telegraph. London, August. 1859, pp. 71. Men- 
tions C. T. Jackson's claim. Copy in Mrs. Jackson's posse-ssion. 
