4th January, 
_ Friday-and Tuesday at the same hour. ‘Tickets for the whole course, 5s, 
Salary will be £500 a year. 
A WEEKLY 
ILLUSTRATED JOURNAL OF SCIENCE 
“To the solid ground 
Of Nature trusts the mind which builds for aye.” —WoORDSWORTH 
No. 9) 
‘THURSDAY, DECEMBER 30, 1869 [PRICE FOURPENCE 
Registered for Transmission Abroad] 
[All Rights are Reserved 
EVENING LECTURES, Royal School 
of MINES, Jermyn Street.—Professor RAMSAY, LL.D., F_R.S. will com- 
-mence ,a Course of Ten Lectures on GEOLOGY, on Tuesday next, the 
at eight o'clock; to be continued on each succeeding 
TRENHAM REEKS, Registrar. 
Now ready, crown 8yo. 3s. 6d. 
HANDBOOK OF PHYSICAL GEOGRA- 
PHY. By KEITH JOHNSTON, Jun., F.R.GS. : 
W. & A. K. JOHNSTON, Edinburgh, and 74, Strand, London. 
‘BRITISH ASSOCIATION FOR THE 
ADVANCEMENT of SCIENCE.—The next ANNUAL MEETING of 
_ this. Association will be held at LIVERPOOL, commencing on Wednesday, 
September 14, 1870. 
President Elect.—PROFESSOR HUXLEY, LL.D., F.R.S,, President 
of the Ethnological and Geological Societies of London. General Treasurer. 
—W. SPOTTISWOODE, Esq., F.R.S., 50, Grosvenor Place, London. 
| General Secretaries.—Professor HIRST, F.R-S., the Athena:um Club, Pall 
- Mall; Dr. T. THOMPSON, F.R.S., Kew. 
—G. GRIFFITH, Esq., M.A., Harrow. 
LINNEAN SOGIETY.. 
Tuts day is published, price £1, the First part of Vol. XXVII. of the 
TRANSACTIONS OF THE LINNEAN SOCIETY OF LONDON, 
consisting of the SERTUM ANGOLENSE of Dr. Welwitsch. 
Sold by LONGMAN & CO., Paternoster Row, and by Mr. KIPPIST, 
-at the Apartments of the Society, Burlington House, Piccadilly ; of whom 
may be had all-or any, of the preceding volumes. The Fellows of the 
Society are requested to apply to Mr. KIPPIST for their copies, between 
the hours of Ten and Four o'clock. 
Dec. 24, 1869. 
UNIVERSITY OF LONDON. 
_ Tue Senate are about to appoint an ASSISTANT REGISTRAR. The 
- In common with the other Officers of the 
University, he will be subject to annual re-election. The whole time of the 
Assistant Registrar must be devoted to the business of the University. He 
will be required to enter on his duties on May 1, 1870. Further information 
anay be obtained by application to the Registrar. 
Candidates are desired to send in their names to the Registrar, with a 
statement of their age, previous career, and qualifications, and with such 
testimonials as they may think desirable, before Tuesday, March 1, 1870.— 
It is particularly requested by the Senate that no personal application be 
made to its members individually. 
Assistant General Secretary. 
By order of the Senate, 
WILLIAM B. CARPENTER, 
Registrar. 
17, Saville Row. W., 
J Dec. 22, 1869. 
In Two Vols. 8vo, with Portraits and Woodcuts, price 28s. 
The LIFE and LETTERS of FARADAY. 
_ By Dr. BENCE JONES, Secretary of the Royal Institution. 
_-*‘Faraday’s letters and diaries are by no means restricted to scientific 
_ subjects, and will be of great interest to many not specially concerned in the 
study- of natural philosophy. They are full of acute observation on a 
thousand matters. . . . The record of his life, as presented to us in these 
_ admirable volumes, is one from which the reader cannot rise but with purified 
_ feelings and increased zeal.""—British Medical Fournal. » 
London: LONGMANS, GREEN, & CO., Paternoster Row. 
Vot. I 
Neatly half-bound, eighteenpence. 
WHITAKER’S ALMANACK FOR 1870. 
The best, most complete, and cheapest Almanack published. 
To be had of all Booksellers and Stationers, 
NEW CHEMICAL CLASS-BOOK. 
Now ready, roo Illustrations, small 8yo. 4s. 62. 
CHEMISTRY for SCHOOLS: an Intro- 
duction to the Practical Study of Chemistry. By C. HAUGHTON GILL, 
Assistant-Examiner in Chemistry at the University of London, late Teacher 
of Chemistry in University College School. 
London: JAMES WALTON, Bookseller and Publisher to University 
College, 137, Gower Street. 
itcap. 8vo. cloth, price 35. 
POEMS FROM CALVARY 
AND 
ee BUNA E RSs As. 
BY R. HILTON. 
London: PROVOST & CO,, 5, Bishopsgate Without, E.C. 
ELEMENTARY LESSONS IN: 
ASTRONOMY. By J. NORMAN LOCKYER, F.R.S. With Coloured 
Diagram of the Spectra of the Sun, Stars, and Nebula, and numerous Wood- 
cuts. .18mo. 5s. 6d. 
“The book is full, clear, sound, and worthy of attention not only as apopu- 
lar exposition, but as a scientific index.” —d ‘heneum. 
“An admirable text-book—those who do not know much of the science 
could not find a better and more accurate guide.” —J/useum. 
MACMILLAN & CO., LONDON. 
Mr. DURR of LEIPZIG has been ap- 
pointed Agent to the Publishers.of ““NATURE” for GERMANY and 
EASTERN EUROPE. Books ror Review, Orvers, and ADVERTISE- 
MENTS may be forwarded direct to him. Address: ALpHons Durr, Leipzig, 
Germany. 
Q 
