Geology and ‘Mineralogy. 219 
7. Contributions to the Fossil Flora of the Western Territories. 
Part Il. The Tertiary Flora ; by Leo LesQqueREvx. Te pp. 
cs 
iv 3} 
plate) deserves particular mention. The discovery of some of 
these remains was recorded in this Journal, for January, 1874; 
contribution from the Sheffield Laboratory* on the above named 
subject, the writer gave analys 
from the so-called “Chloritic formation,” and pointed out the 
resemblance in composition between these rocks and basic igneous 
rocks, By the aid of the microscope the rocks were inferred to be 
pyroxenic. On a further examination with better facilities, I 
have found that the mineral, sup to be pyroxene, is horn- 
blende, and that the rocks belong therefore to the diorite group. 
. Le 
ical survey, in which analogous roc 
and in which a revision of my previous studyt+ upon these rocks 
will be found. : 
9. Elevated Quaternary beds of Grinnell Land and North 
Greenland.—The December number of the Annals and Magazine 
se evidences of former 
Frt_pEN, naturalist to 
the late Arctic Expedition. The author spea of his Oe ae 
lished in the Journal of the Royal 
orth, that “the land which surrounds the Nort 
ing a general movement of upheaval; or, to be perfectly 
* This Journal, Feb., 1876. + Ibid., Aug., 1876. 
