318 The American Geologist. May, i89o 
Forty-second annual report of the trustees of the state museum of 
natural history for 1888, Albany, pp. 490, 8vo. 
(1) The Archeology of the Potomac tide water region. 0. T. Mason. 
(2) The paleolithic period in the district of Columbia, from the pro- 
ceedings of the XJ. S. Nat. Mus. vol, xii, pp 3()7-376. 
Preliminary report on the collection of mollusca and brachiopoda ob- 
tained in 1887-88 (U. S. Fish Commission). W. 11. Dall, from the Proc. 
U. S. Nat. Mus., vol. xii, pp. 219-362, i^lates v-xiv. 
The collection of building and ornamental stones in the U. S. Nat. 
Mus. ; a hand-book and catalogue. Geo. P. Merrill, Smithsonian report, 
1885-86. Partir, pp. 277-648, pis. i-ix. 
Fossil wood and lignite of the Potomac formation, F. H. Knowlton, 
Bui. No. 56, U. S. Geol. Survey, 1889. 
2. Proceedings of Scientific Societies. 
Observations on the Eocene Tertiary and its Cretaceous associates in 
the state of Maryland. P. R.Uhler. Trans. Maryland Acad. Sciences, 
in 1888 and 1889. 
The pre-Cambrian rocks of the Black Hills, C. E. Van Hise. Bui. 
Geol. Soc. of America. Vol. i, pp. 203-244, 1890. 
Proceed. Iowa Acad. Sciences, for 1887, 1888 and 1889, contains: The 
terraces of the Missouri (abstract), J. E. Todd ; The origin of the extra- 
morainic till (abstract), J. E. Todd ; Directive coloration in animals 
(abstract) J. E. Todd; On a new fossil Limnpeid from the Post-Pliocene 
of California (abstract ; printed in full in the American Geologist, vol. 
I, Mar., 1888), E. Ellsworth Call; Some additional observations on the 
loess in and about Muswatine, (abstract), F. M. Witter; The Geology 
of Crowley's ridge, Ark. (abstract), E. E. Call; The lineage of lake 
Agassiz (abstract), J. E.Todd; On the folding of the Carboniferous 
strata in southwestern Towa (abstract), J. E. Todd; The crystalline 
rocks of Missouri (abstract) Erasmus Haworth; On the Geology 
of eastern Arkansas (abstract), E. Ellsworth Call; Notes on a fossil 
wood from the Keokuk limestone (abstract), C. H. Gordon; On the 
Keokuk beds and their contained fossils, (abstract), C. H. Gordon; 
Observations on the Keokuk species of Agaracocrinus (abstract), C.H. 
Gordon. 
PERSONAL AND SCIENTIFIC NEWS. 
Coal in the south of England. For many years the opin- 
ion has been held by some of the leading geologists of England 
that coal exists below the mesozoic rocks that cover the sur- 
face of the southwest counties. Several attempts have been 
made at different times to reach this supposed store of fuel 
but without success, though every boring confirmed the belief 
that the Carboniferous rocks underlie that part of the island. 
On February 17th a communication of the discovery of coal 
