SCIENCE 



Sixth Year. 

 Vol. XII. No. 284. 



NEW YORK, July 13, 1888. 



Si.NOLE Copies, Ten Cents. 

 $3.50 Per Year, in Advance. 



Entered at New York Post-Offloe as Seoond-Olasa Mail-Matter. 



Editorial 



The Methods of Disinfection practised at the Quarantine Sta- 

 tion below New Orleans. — The Study of Local Natural His- 

 tory in the Agassiz Association. 



Methods of Disinfection . . . . 



Protection of Buildings from Lightning 

 Mental Science. 



The Nature of Muscular Sensation 



Memory of Movements . . . . . 



13 



Electrical Science. 



Some New Primary Batteries 



Incandescent-Lamp Experiments . 



Electrical Resistance of Copper at Low Temperatures 



Underground Electric-Lighl Wires . 



Notes and News .... 

 Letters to the Editor. 



Negro Dialect . . . A. F. Chamberlain 23 



Object-Lessons in Oriental Faiths and Myths . L. 24 



An Army of Myriopods . . . Edwin Linloti 24 



The Old South Work . . . Edwin D. Mead 24 



The Science Company, PtLblishers, 4.2 Lafayette Place, New York. 



London agent: G. E. Stechert, 26 King William St., Straiid. 



NOW READY, 



A NEW TEXT-BOOK OF PHYSIOLOGY. 



GENERAL PHYS^^OGY: 



Including the Chemistry and Histology of the Tissues and the Physiolog>'-V^f Muscle. By John 

 Gray M'Kendrick, M.D., LL.D., F.R.S., Professor of the Institutes of Medicine in the University 

 of Glasgow. With numerous illustrations. One volume. 8vo, 516 pages. Cloth, $4. 



MEDICAL NURSING. 



Lectures delivered in the Royal Infirmary, Glasgow. By J. Wallace Anderson. M.D. Third 

 edition. i6mo, cloth $1.00. 



" The very important subjects these lectures discuss are severally treated with clearness, pre- 

 cision and sound judgment," — Spcclator. 



" A valuable text-book. Throughout his instructions Dr. Anderson is always practical and 

 clear." — HcaltJi. 



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