Text-book of Paleontology 
By KARL A. VON ZITTEL, Professor of Geology and 
Paleontology in the University of Munich. Translated 
and edited by CHARLES R. EASTMAN, Ph.D., in 
charge of Vertebrate Palzeontology in the Museum of Com- 
parative Zodlogy at Harvard College, Cambridge, Mass. 
Vol. I. Cloth, 670 pp., with 1476 woodcuts, 8v0, $7.50 net 
Vol. II. Cloth, 283 pp., with 373 woodcuts, $3.00 net 
Nort. — This English edition has been enlarged and revised by the 
author and editor in collaboration with the following specialists: 
C. E. Beecher, J. M. Clarke, W. H. Dall, G. J. Hinde, A. Hyatt, 
J. S. Kingsley, H. A. Pilsbry, C. Schuchert, S. H. Scudder, W. P. 
Sladen, E. O. Ulrich, C. Wachsmuth, A. S. Woodward, E.G Case, 
J. B. Hatcher, H. F. Osborn, S. W. Williston, F. A. Lucas. 
A Text-book of General Bacteriology 
By WILLIAM DODGE FROST, Ph.D., Associate Pro- 
fessor of Bacteriology in the University of Wisconsin ; and 
EUGENE FRANKLIN McCAMPBELL, Ph.D., Associ- 
ate Professor of Bacteriology in the Ohio State University 
Cloth, 340 pp., $1.60 net 
Comparative Anatomy of Vertebrates 
Adapted from the German of Dk. ROBERT WIEDER- 
SHEIM, Professor of Anatomy, and Director of the 
Institute of Human and Comparative Anatomy in the 
University of Freiburg-in-Baden. By W. N. PARKER, 
Ph.D., Professor of Zodlogy at the University College of 
South Wales and Monmouthshire in the University of 
Wales Cloth, 576 pp., 8vo, $3.75 net 
Text-book of the Embryology of Man and 
Mammals 
By Dr. OSCAR HERTWIG, Professor extraordinarius 
of Anatomy and Comparative Anatomy, Director of the 
II Anatomical Institute of the University of Berlin. Trans- 
lated from the Third German Edition by EDWARD L. 
MARK, Ph.D., Hersey Professor of Anatomy in Harvard 
University Cloth, 670 pp., 8v0, $5.25 net 
PUBLISHED BY 
THE MACMILLAN COMPANY 
64-66 Fifth Avenue, New York 
