Volume VII. No. 161 



March 5, 1886 



SCIENCE 



Comment and Criticism. — The two bright comets shortly visible. — Annual report of officers of the Elmira 

 reformatory. — Report of the astronomical committee of the National academy of sciences. — Railway 

 contracts. — The recent economic science meeting .......... 207 



Geography-teaching in Germany ........... 209 



Meteorological conference ............ 210 



Method of stating results of water-analyses A. C. Peale ; W. H. Seaman j C. H. White 211 



Paris Letter. — The appointment of Mathias Duval to the professorship of histology in the medical school, 

 and Mr. Yulpian's resignation. — Departure of Paul Bert for Tonquin. — A new French scientific 

 periodical, the A* chives Slaves de biologic — The unveiling of Bernard's statue. — Mr. Chevreul's 

 old age . . . . 212 



Notes and News. — Pasteur's results. — The 'Forum.' — New polar expedition. — Deer-hunting in New 



York. — Disinterment of the Sphinx. — Panama canal. — Smithsonian works in press .... 213 



Letters to the Editor. 



Oil on troubled waters. — Charles K. Wead . 214 



Professor Thorell and the American Silurian scor- 

 pion. — R. P. Whitfield . . . . 216 



The language of the Bilhoola in British Columbia. 



— Franz Boas . . . . . . 218 



Discomforts arising from sponge spicules in pond- 



soiis. — S. T. Virden . . . . 218 



Preliminary description of a new species of Aplo- 



dontia. — C. Hart Merriam . . . . 219 j 



International copyright. — Appleton Morgan . 219 

 A recent ice-storm. — Edivd. S. Philbrick . . 220 

 Habits of batrachians. — George Baur . . 220 

 A tornado brood in Hampshire county, Mass. — 



H. W. P 220 



' Marvels of animal life." — C. F. Holder . 220 

 The competition of convict labor. — Nicholas 



Murray Butler 220 



SCIENCE SUPPLEMENT. 



ON THE FREEDOM OF CONTRACT. 



Regulation of contracts . . . . . . • • • • • • .221 



How far have modern improvements in production and transportation changed the 

 principle that men should be left free to make their own bargains? 



A. T. Hadley ; W. G. Simmer . 221 



The Science Company, Publishers, New York, 



743 Broadway. 



Price 15 cents 



