Volume VII. No. 155 



January 22, 1886 



SCIENCE 



Comment ami Criticism. — The use of composite photography for the detection of forged signatures. — A 

 railroad in central x\frica. — Lieutenant Taunt's report on the Kongo. — Revival of the cholera epidemic 

 in Spain. — The first meeting of the Indiana academy of sciences ....... 67 



The competition of convict labor 

 The new volcano in the Pacific 

 The recent cold wave . 

 American journal of archeology 

 Geographical notes 

 Astronomical notes . 



Nicholas Murray Butler 68 

 . . . . 69 

 . IV. M. D. 70 



7i 



72 



73 



.Votes and News. — The tax on salt in India. — Inefhcacy of vaccine from revaccinated children. — An 

 ancient burial-place near Paris. — Surgical operations upon the stomach. — Coulter's ' Rocky Mountain 

 botany:' — A new geologi.al map of France. — A human skeleton prepared in 1543 . . . -73 



Letters to the Editor 



An early prediction of the decay of the obelisk. — 

 F. R 



Sea level and ocean-currents. — William Ferret 



Oil on troubled vvater>. — C. F. Cox ; the Editor ; 

 Kenneth Doyle ...... 



The Taconic controversy in a nutshell. — Nelson 

 H. Barton 



The temperature of the moon. — S. P. Langley . 

 Demand for good maps. — J. King Goodrich 

 J Cliff -picture in Colorado. — S. E. Tillman . 

 The English sparrow. — Ernest Ingersoll . 

 Equality in ability of the young of the human 

 species. — P. J. Farnsworth 



79 

 79 

 So 

 80 



Bo 



SCIENCE SUPPLEMENT. 



The collapse of the theosophists 



Giants and dwarfs . 



The races of Britain . 



The causation of pulmonary consumption 



Nicholas Murray Butler 81 



H. W. H. 

 . N. IV. 



84 

 86 



The Science Company, Publishers, New York, 



743 Broadway. 



Price 15 cents. 



