Literary and Scientific Gleanings. 455 
cluding casual and miscellaneous receipts, for the years 
1841, 1851, and 1861 respectively ; and of the population 
of Ireland in those years. In 1841 the gross revenue was 
—-4,158,6772; in 1851 it was 4,325,864/ ; and in 1861 it was 
6,792,606. The population was 8,196,597 in 1841, 6,474,278 
in 1851, and 5,798,967 in 1861. In 1841 the amount of 
gross revenue per head was 10s. 6d., in 1851 it was 13s. 2d, 
and in 1861 it was 14. 3s. 5d. This return was moved for 
by Mr. M‘Kenna. 
Experiments have been made in a Yorkshire coal mine 
to test the value of gun-cotton as a blasting agent instead 
of gunpowder. Besides the superiority in power of gun- 
cotton over the latter substance, it possesses the valuable 
property of emitting no flame, thus rendering it available 
where gunpowder could not be used with safety. 
The Guardian says, the catalogue of Hebrew books in 
the British Museum, printed by order of the trustees, has 
just been issued. The collection, it appears, has grown 
from a single book which it possessed in 1759, to a total of 
10,000 volumes; and we are told in the preface, by Mr. J. 
Winter Jones, the principal librarian of the Museum, that 
our national collection of Hebrew books is now the largest 
inthe world. The compiler of the present catalogue is a 
Mr. Zedner, and its preparation has occupied him several 
years of labour. We should add, that the catalogue in- 
cludes not only works written in Hebrew, but also works 
in the Arabic, Spanish, German, and other languages 
printed in Hebrew characters, and also biographical works 
on Hebrew literature. 
On Saturday last a telegram was forwarded from London 
to New York and an answer received within four and a half 
hours. 
The Emperor of Austria has just re-established the Po- 
lish language for the study of law at Lemberg. All the 
examinations will be made in the same language. The 
telegram announcing this new Imperial concession was re- 
ceived with great rejoicing. 
_ M. Thomas communicated to the Academy of Sciences, 
on the discovery of the lower jaw of a species of rhinoceros 
in the Upper Eocene of the valley of the Tarn, near Gaillac. 
After summing up the facts, he expressed the opinion that 
rhinoceri of the species Acerothertum dwelt in France during 
the later Eocene period in conjunction with the Paloplothe- 
rium, the Palgotherium, and the Lophiodon, and that con- 
sequently the first appearance of this genus on the globe 
