CXXXVlll 



NATURE 



[August 21, 1879 



WORKS IN SCIENCE. 



BALL (R. S., A.M.) — EXPERIMENTAL 

 MECHANICS. A Course of Lectures delivered at the 

 Royal College of Science for Ireland. By R. S. Ball, A.M., 

 Professor of Applied Mathematics and Mechanics in the 

 Royal College of Science for Ireland. Royal 8vo. i6s. 



BLANFORD— THE RUDIMENTS OF PHY- 

 SICAL GEOGRAPHY FOR THE USE OF INDIAN 

 SCHOOLS ; with a Glossary of Technical Terms employed. 

 By H. F. Blanfokd, F.R.S. New Edition, with 

 Illustrations. Globe 8vo. 2s. dJ. 



FLEISCHER— A SYSTEM OF VOLUMETRIC 



ANALYSIS. Translated with Notes and Additions from 

 the second German Edition, by M. M. Pattison Muir, 

 F.R.S. E. With Illustrations. Crown 8vo. ^s. dd. 



FOSTER— A TEXT-BOOK OF PHYSIOLOGY. 



By Michael Foster, M.D., F.R.S. With Illustrations. 

 New Edition, enlarged, with additional Illustrations and 

 Plates. 8vo. z\s. 



GALTON— METEOROGRAPHICA, or Methods 

 of Mapping the Weather. By Francis Galton, F.R.S. 

 Illustrated by upwards of 600 Printed Lithographic 

 Diagrams. 4to. gj. 



GORDON— AN ELEMENTARY BOOK OF 

 HEAT. By J. E. H. Gordon, B.A., Gonville and 

 Caius College, Cambridge Crown 8vo. 2s, 



MIALL— STUDIES IN COMPARATIVE ANA- 

 TOMY. No. I.— The Skull of the Crocodile : a Manual 

 for Students. By L. C. Mi all. Professor of Biology in 

 the Yorkshire College and Curator of the Leeds Museum. 

 8vo. 2s. 6d. 



NEWCO MB— POPULAR ASTRONOMY. By 

 S. Newcomb, LL.D., Professor U.S. Naval Observatory. 

 With 112 Illustrations and 5 Maps of the Stars. 8vo. i&s. 



" It is unlike anything else of its kind, and will be of more 

 nse in circulating a knowledge of astronomy than nine-tenths of 

 the books whicli have appeared on the subject of late years." — 

 Saturday Review. 



REULEAUX — THE KINEMATICS OF 



MACHINERY. Outlines of a Theory of Machines. By 

 Professor F. Reuleaux. Translated and Edited by 

 Professor A. B. Kennedy, C.E. With 450 Illustrations. 

 Medium 8vo. 2,1s. 



SHANN— AN ELEMENTARY TREATISE ON 

 HEAT, IN RELATION TO STEAM AND THE 

 STEAM ENGINE. By G. Shann, M.A. With lUus- 

 irations. Crown 8vo. 4J. dd. 



WRIGHT— METALS AND THEIR CHIEF 

 INDUSTRIAL APPLICATIONS. By C. Aldki 

 Wright, D.Sc, &c. Lecturer on Chemistry in St. 

 Mary's Hospital Medical School. Extra fcap. 8vo. 3^. id. 



MACMILLAN AND CO., LONDON. 



EUDOLPH KOENIG, 



(DR. PHIL.) 

 MANUFACTURER OF 



ACOUSTICAL INSTRUMENTS. 



TO ILLUSTRATE THE LAWS 

 AND TO PRODUCE THE PHENOMENA OF SOUND. 



PARIS, 26, RUE DE PONTOISE. 



PRICE tISTS FREE. 



The LANCASTER POCKET CAMERA 



for plates 4I x 3J inch, having three double dry-plate Slide*, Umbrella 

 Stand, best Lens with plate of Diaphragms, &c., &c., ^^. Particulars 



free. 



The LANCASTER CARTE PHOTOGRA- 



PHIC APPARATUS, with Chemicals, &c., &c., complete, £,^ 55. 

 FIRST QUALITY ASTRONOMICAL TELESCOPES with Object 

 Lenses, by Wkay, 2l-inch, £,s o^- \ aj-inch, ^^ ios.\ 2^mch, a i« ; 

 3-inch, /12 loj. ; 3^-inch, ;£i5 15J. ; 4-inch, ^25; 4^-inch, ^ifi\ 

 5-inch, ;^55, &c. Capital Student's Microscope, £% ys. Collegian's 

 First Quality Microscope, £,s SJ". Illustrated Catalogue, 3 Stamps, 

 J. LANCASTER & SON, Opticians, Birmingham. 



NOTICE OF REMOVAL. 



JAMES HOW & CO., 



SCIENTIFIC INSTRUMENT MAKERS, 



73, FARRINGDON ST., LONDON 



(tuLTE OF 5, St. Bride St., and z, Foster Lane). 

 HOW'S STUDENT'S MICROSCOPE. HOWS MICROSCOPE LAMP. 



Rock Sections and other Objects for the Microscope. 



BARCLAY & SON, 



138, REGENT STREET, LONDON. 

 To Her Majesty and H.R.H. the Prince of Wales. 



DUPLEX LAMPS. 

 MODERATOR LAMPS. 



READING LAMPS. 



MICROSCOPE LAMPS. 



BEST COLZA OIL. 



A I KEROSINE OIL. 



WAX, SPERM, 



AND 



PARAFFINE CANDLES. 



ILLUSTRATED CATALOGUES POST FREE. 



The MORPHOLOGY of the SKULL. By 



W. K. PARKER, F.R.S., Hunterian Professor, Royal College of 

 Surgeons, and G. T, BETTANY, B.Sc, Lecturer on Botany in Guy's 

 Hospital Medical School. Illustrated. Crown 8vo. loj. id. 



MACMILLAN & CO., London. 



