152 _ Scientific Intelligence. 
fluviatile — but not to glacier excavation. The memoir is 
accompanied by two maps of the region 
4, y Se (or Laccolites) in Japan n.—Mr. G. H. Kinahan 
has described Laccolith-like intrusions of eruptive rocks in Coun- 
ties Wexford and Wicklow, Ireland. hey oceur in highly 
disturbed Chmbrosilaxt jan strata of different kinds, and the latter 
are reget _ altered for some distance about them.— Geol. Mag., 
March, 18 
5. Sa Me of Iron Mine Hill, Cumberland, Rhode pale tai 
—Mr. M. E. Wadsworth describes this “titaniferous iron ore 
a titaniferous magnetite—as cuntaining in its ground-mass large ge 
erystals of a triclinic feldspar ated with chrysolite in grains, and 
mentions its resemblin ng the erg iron ore roc Sweden. 
Part of the chrysolite is change * to serpentine. An analysis of 
the ore by Prof. R. H. Thurston obtained 9°9 per cent of titanium. 
The rock — to the iron ore-bed is mica schist “some hun- 
Mr. 
pres ant. As the i 
Sussex County, New Jersey, and Orange yoo New York, con- 
morphi ds 
6. Brazos Coa I yield, Tesecs.—A. paper on this Texas soa Bet 
by C. A. Ashburner, is published in the Transactions of the 
American Institute of Mining Engineers, for 1881. The coal 
the 
bituminous coal-basin of the United States” in which are two 
workable beds 24 to 6 feet, are a feet thick, and are included 
n upper sandstone and conglomerate, representative of 
the Millstone grit or Pottsville conglomerate (No. XII of the 
Pennsylvania series), and a lower gray limestone representative of 
the Mountain comygtonet, or Chester and St. Louis limestone, of the 
pages task Val 
causes, hinds and asad iste in mining Anthracite (num- 
bered A2), by FRANKLIN Pres with a chapter on the Methods 
of Mining, by J. P. Wx: HERELL. 13 8vo, with thirty-five 
to this very important and well illustrated report, is : 
Ashbt It contains a section on a go cale, exhibiting the 
stratification and flexures of the beds, al rresponding 
ground plan or map view, giving the Se raolisal features of the 
