A TREATISE UPON THE LAW OF COPYRIGHT: in 
the United Kingdom and the Dominions of the Crown, 
and in the United States of America. Containing a full 
Appendix of all Acts of Parliament, International Conven¬ 
tions, Orders in Council, Treasury Minutes, and Acts 
of Congress now in force. By E. J. MacGillivray, 
LL.B Cantab., of the Inner Temple, Barrister-at-law; 
Member of the Faculty of Advocates in Scotland. 
Medium 8vo. 25s. net. 
“ Mr MacGillivray has certainly produced an eminently useful work on a 
subject that is all-important to authors and publishers. . . . Moreover it 
is ‘ the author ’ in the largest sense, not only the author of books, to whom 
this work appeals . . . very complete and accurate . . . admirable 
text-book. Spectator. 
THE LIFE OF PHILIBERT COMMERSON, D.M., 
Naturaliste du Roi. An Old-World Story of French 
Travel and Science in the days of Linnaeus. By the late 
Captain S. Pasfield Oliver, R.A. Edited by G. F. Scott 
Elliot, F.L.S., F.R.G.S. With Illustrations. Demy 8vo. 
10s. 6d. net. 
“ A most fascinating work ... so full of romance and poetry that 
it is difficult to believe one is reading the work of a serious naturalist, who 
underwent every kind of hardship, enduring the utmost privations, and 
frequently risking his life in pursuit of the science he loved so well. . . . 
The story of this gallant and ill-used martyr of science should stimulate and 
encourage every real naturalist who reads about him, for his liberal and 
reverent spirit is intensely refreshing in this materialistic a ge”—Morning 
Post. 
RECENT ADVANCES IN THE STUDY OF VARIATION, 
HEREDITY AND EVOLUTION. By Robert H. Lock, 
M.A., Fellow of Gonville and Caius College, Cambridge. 
With Portraits and other Illustrations. Crown 8vo. 5s. 
net. 
MICROSCOPY. The Construction, Theory, and Use of the 
Microscope. By Edmund J. Sfitta, F.R.A.S., F.R.M.S., 
etc. With numerous Diagrams and Illustrations. Second 
Edition. 12s. 6d. net. 
“Let us hasten to urge every student of the microscope who wishes to 
gain a thorough understanding of its principles and possibilities and its 
defects, and every user of the instrument who desires a work of reference to 
which he may turn for an explanation of some unexplained optical pheno¬ 
menon, or for particulars of up-to-date apparatus, to procure a copy or Mr 
Spitta’s book without delay. ”— Nature. 
