PHYSICAL SCIENCE

Sachs. A Historyof Botany.

Translated by H. E. F. Garnsey, M.A. Revised by I. Bayley Balfour, M.A.,M.D.,F.R.S. Crown 8vo. 108.

Fossil Botany. Being an Introduction to Palaeophytology from the Standpoint of the Botanist By H.

Graf zu Solms-Laubach. Translated by H. E. F. Garnsey, M.A. Revised by I. Bayley Balfour, M.A., M.D., F.RS. Royal 8vo, half-morocco, 18s.

Annals of Botany. Edited by Isaac Bayley Balfour, M.A., M.D., F.RS., Sydney H. Vines, D.Sc., F.B.S., D. H. Scott, M.A., Ph.D., F.L.S., and W. G. Farlow, M.D.; assisted by other Botanists. Royal 8vo, half-morocco, gilt top.

Vol. I. PartaI-IV. 10 16s.

Vol. II. Parts V-VIII. ai. 2s.

Vol. III. PartsIX-XII. 2. 128.64.

Vol. IV. Parts XITI-XVI. al. 5s.

Vol. V. Parts XVII-XX. al. 10s.

Vol. VI. Parts XXI-XXIV. 21.4.

Vol. VIL Parts XXV-XXVIII.

al. 108.

Vol. VIII. Parts XXIX-XXXII. al. 108.

Vol. IX. Parts XXXIII-XXXVI.

al. 158.

. Biological Series.

I. The Physiology of Nerve, of Muscle, and of the Electrical Organ. Edited by J. Burdon Sanderson, M.D., F.R.SS. L.&E.

Medium 8vo. 11 Is.

II. The Anatomy of the Frog. By Dr. Alexander Ecker, Professor in the University of Freiburg.

Translated, with numerous Annotations and Additions, by G. Haslam, M.D. Med. 8vo. 21s.

IV. Essays upon Heredity and Kindred Biological Problems. By Dr. A. Weismann. Vol. I.

Translated and Edited by E. B.

Poulton, M.A, S. Schôünland, Ph.D., and A. E.Shipley, M.A.

Demy 8vo. 16s.

Also in Crown 8vo.

Vol. I. Second Edition. 78. 6d.

Vol. II. Edited by E. B. Poulton, and A. E. Shipley. 53s.

Elliott. An Introduction to the Algebra of Quantics. By E. B. Elliott, M.A. 8vo. 15s.

Prestwich. (Geology, Chemical, Physical, and Stratigraphical. By Sir Joseph Prestwich, M.A., F.R.S.

In two Volumes.

Vol. I. Chemical and Physical.

Royal 8vo. rl. 58.

Vol. II. Stratigraphical and Physical. With a new Geological Map of Europe. Royal 8vo. 11, 16s.

Price. A Treatise on the Measurement of Electrical Resistance.

By W. A. Price, M.A., A.M.I.C.E.

8vo. 148.

Smith. Collected Mathematical Papers of the late Henry J. S. Smith, M.A., F.R.S. Edited by J. W. L.

Glaisher, Sc.D., F.R.8. 2 vols. 4to.

al. 38.

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