Geology and Mineralogy. 219 
analyses of an aluminous pyroxene from Grenville; sodalite and 
natrolite, from felsytic dikes, intersecting Trenton limestones 
town; a feldspar (labradorite) of a dioryte from North Sherbrooke; 
and a pyrite from Londonderry, Nova Scotia, besides analyses also 
of some mineral waters. J. D. D. 
2. Bulletin of the Geological and Geographical Survey of the 
Territories, Dr. F. V. Haypen in charge. ol. ii, No. 4, pp. 
279-374 (closing the volume), Washington, August 4, 1876. 
Department of the Interior.—This new number of the Bulletin 
contains the following papers: Notes on the Geology of North- 
eastern New Mexico, by O. Sr. Joun ; on Sexual, Individual and 
n 
respect to size, « As ALLEN ; 
Sucia Islands, and other northwestern localities, and on the New 
Genus, Uintucrinus of Grinne B. Mzrx. Mr. St. John 
treats of the Cretaceous and Tertiary strata of the region, the 
by the immense basaltic-capped mesas, the flat summits of which 
mise 1,000 to 1,500 feet above its surface.” The plain itself is 
‘verywhere traversed by dikes, the rocks of which are the same as 
those of the mesas. The Capulin country to the east of the 
Canadian has similar mesas of va ing height; and all were once 
Probably united. The basaltic layers usually overlie directly 
pretaceous or Tertiary beds, and were ejected at the close of the 
lary, 
Mr. —— shows that the individuals of the species of Felidae 
Memoir, by Prof. Verrill age 238 of this volume. 
= - Meek describes dives Garbouiferous species from the borders 
Washington Territory near 49° north and y 
Ty ctal Cretaceous species from Vancouver's and the Sucia ge 
: 8 
