492 : Scientific Intelligence. 
height of 2000 meters. The author draws attention to the fact 
of the transverse directions in the great uplifts of the two moun- 
tain-making disturbances. 
r. Barrois detected coccoliths in the Devonian rocks and con- 
cluded that these microscopic convex or plano-convex disks are 
of inorganic origin and not organic (p. 46)... The Paleontological 
part of the volume contains many observations of wide interest, 
but there is not space here for a review of them. 
6. Catalogue of the Fossil Sponges in the Geological Depart- 
ment of the British Musewm (Natural History), with Descriptions 
of new and little-known species, by Grorcr J. Hive, Ph.D., 
F.G.S. 248 pp. 4to, with 38 lithographic plates. —The remark- 
able fullness of the British Museum in its collection of fossi 
sponges has enabled the learned author of this volume to make a 
general review of the subject and contribute largely in species 
and facts to this branch of paleontology. e genera repre- 
sented by species in the museum are 141 in number ; of these 120 
-are of Siliceous sponges, and the rest of Calcareous; 32 species 
are from the Paleozoic, 16 from the Triassic, 96 from the J urassic, 
245 from the Cretaceous and 3 from the Tertiary. The many 
plates are well filled with, excellent figures. The text closes 
with a full bibliography... : 
Geologist of Alabama, reports the discovery of important vig me : 
erry 
ee 
von ie averaging 10 per cent in its phosphoric acid; (4) whitish 
and micaceous sands, holding small oyster-shells, with 
some phosphate, and, below a level of 20 to 30 feet, rage ee : 
_ bluish Sands in which there is considerable green sand. — 
