392 Miscellaneous Intelligence. 



3. Report of the Board of Health of the ('it;/ of Chko'. 

 1867, 1868, and 1869, a7id a Sanitanj history <f Chicati<> 

 183;^ to 1870. 332 pp. 8vo. Chicago. 1871.— The ottici- 

 the Board, are Samuel Hoard, President ; John II. TJauch. M.i-. 

 Sanitary Superintendent and Kegisti-ar of Vital Statistie> : Am- 

 brose Burnani, Health Officer; J. \V. Russell, Secretaiy. Tlie iv- 

 port is illustrated with diagrams and maps, and is an cxceeiliiijily 

 important contribution to the subject. The diagrams sliow tliiil 

 the period of highest mortality at Chicago during tlie years isc:. 

 1868 and 1869, was between the 20th of July and 1st of Scptfin- 

 ber ; and that the period of increase began late in June <u- \ oiv 

 early 1st of July. 



4. Effect of the Eclipse on the Magnetic Needle ; hy I). 3IrLi.i.i:. 

 (Gaz. offic. del Regno d'ltalia).— On the 22d of Deceiiiber the iiia;:- 

 netic needle followed its usual course till the co ' ' ' 



eclipse, 

 declinat: 



itraced its steps until it reached its mmuiuini 

 8'°, which was the instant of totality. Fmin 



that moment the ascending motion toward the west began anew. 



until the needle had regained the exact position it had oceupK i 



when the eclipse began. — Athen.^ Feb. 18. 



5. Establishment of Paul Mohr in Ohio for the sale <fJos^ih 

 ayxd minerals. — This establishment has been opened at laantam. 

 Clermont Co., Ohio. Mr. Mohr, of Vienna, is in commanicatimi 

 with various European houses, and states that he can furnish spt- 



6. Corrosion of Lead pipes. — A paper on this subject, by ^^ n.. 

 Ripley Nichols, is contained in the 2nd Ann. Rep. of the Mmjn 

 State Board of Health, 1871. , 



7. Chemical Society.— Vrol Fijanklakd has succeeded Tro.. 

 Williamson as President of the Chemical Society. 



Reliquim AquitaniccB, and an active member of the French Insti- 

 tute, died in the department of Gers, during the mvestment u 

 Paris. He was Professor of Paleontology at the Museum oj 

 Natural History, filling the place left vacant by the deatn m 

 d'Archiac. u ' ^e 



BsrQUEKEL, the physicist, died in Normandy during the su,- 

 of Paris, at the age of eighty. , c • tv of 



GuiLLAUME Lejeax, Secretary of the Geographical Socie 

 France and author of various Geographical papers, has recen . 



Haidikger, of Vienna, the veteran mineralogist, J^J''.^''* j*|. 

 rapher and physicist, and the most active promoter oi ^^^^ . 

 progress in Austria, died in the latter part of the month oi Ji.* 



Catalogue of Minerals with their Formulae and Crystalline ^J"^*? ""^guJ^ by 

 Thomas Egglestox, Prof. Min. and Met. 2nd ed., 42 pp. 8vo. New or , 



