July :.>7, 18S;!. 



SCIENCE. 



11 



letters may be addressed to members at Minneapolis, 

 in care of tlie association, and they will be delivered 

 from the office of the local committee at the uni- 

 versity. 



An excursion will be made to Minnetonlia, and 

 return, on Saturday afternoon, when a lawn picnic 

 will be served at the Lake Park llotel. If a party 

 of a hundred and fifty or more desire to make an 

 excursion to Winnipeg, and return, at one-half of 

 regular fare, the St. Paul, Minneapolis, and Manitoba 

 I'ailway will send a special train for thoir accommo- 

 dation. No definite arrangements have yet been 

 made for other excursions. 



The retiring address of President J. W. Dawson 

 will be given at the Westminster church, on Nicollet 

 avenue, on Wednesday evening. After the address 

 a reception will be held by the local committee at 

 the Xicollt't House. 



The meeting will probably be one of special inter- 

 est to glacial geologists, numerous papers concerning 

 the terminal moraine and other glacial phenomena 

 being expected. 



— The annual meeting of the Society for the pro- 

 motion of agricultural science will be held in Minne- 

 apolis on Aug. 13 and 14, in the Agricultural college 

 building, of the State university. 



— .V special public meeting of tlie Cambridge ento- 

 mological club will be held in Minneapolis, at the 

 chapel of the university, at two p.m. on Tuesday, 

 Aug. 14, to which all persons interested in ento- 

 mology are invited. 



— The annual meeting of the American forestry 

 congress will be held at St. .Paul, Minn., commencing 

 on Wednesday, Aug. S, 1883. The local committee 

 has in charge the arrangement of railroad facilities, 

 etc., announcement of which will be sent to all mem- 

 bers in due time, and to all those who express their 

 desire to attend the meeting. Papers to be read at 

 the meeting, or abstracts of the same, should be sent 

 in to the corresponding secretary two weeks before 

 meeting, according to the by-laws of the congress. 



— A geographical and ethnological exhibition will 

 be held in Nancy from Aug. 20 to Sept. 20. 



— The French association for the advancement of 

 sciences meet at Rouen, Aug. 10-23. 



— The sixth congress of the French geographical 

 societies will meet under the presidency of M. de 

 Lesseps at Douai on the 26th of August, and remain 

 five days in session. A geographical exposition will 

 form a feature of the meeting. The seventh congress 

 will meet at Rouen in 1884, and the eighth at Oran 

 in 1885. 



— The seventh congress of the Russian scientific 

 association will be held in Odessa from Aug, 30 to 

 Sept. i). 



— The sixth annual meeting of the American 

 society of microscopists will be held in Chic.tgo, be- 

 ginning Tuesday, Aug. 7, 1SS3, and continuing four 

 days. Ample preparations are making by the com- 

 mittee of the State microscopical society of Illinois, 

 and the Chicago academy of sciences ; and the attend- 

 ance of members is expected to be larger than ever 

 before. First-class hotel accommodations at reduced 



special rates have been secured, and choice arrange- 

 ments made for the comfort and convenience of the 

 meeting. Titles of papers may be sent to the secre- 

 tary, Prof. D. S. Kellicott, PhD., 119 14th St., 

 Buffalo, N.Y. Full provision will be made for illus- 

 tration, by projection .apparatus, of any article when 

 the authors may so desire. A special hour will be 

 allotted each day to the exhibition of objects and ap- 

 paratus referred to or described in communications 

 read before the society; an evening will also be set 

 iip.^rt for the presentation of methods of work, in- 

 cluding staining, section-cutting, mounting, micro- 

 photography, etc. A general microscopical soiri'e 

 will be held on another evening, and members are 

 requested to bring instruments and slides with them. 

 The exhibition of instruments and accessories by 

 makers and dealers promises to be unusually fine. 



The officers of the society are Albert McCalla of 

 Fairfield, lo., president; E. H. Griflilh of Fairport, 

 X.Y., and George C. Taylor of Thiliode.aux, La., 

 vice-presidents; D. S. Kellicott of Buffalo, X.Y., sec- 

 retary; and George E. Fell of Buffalo, N.Y., treas- 

 urer. 



— The Soci^t^ academique of Brest held an exhi- 

 bition of matters relating to geography, .June 3-17. 

 An especial object was to bring to notice the rich 

 ethnological material which has accumulated in this 

 city during many years. The halls devoted to Japan, 

 China, Cochin-China, and West Africa, presented 

 much of interest. 



— In the PkitoKophical transactions for 1817 (p. 

 32:>), Sir William Ilerschel says, that. " beside the 683 

 star-gauges published in the Philosophical transac- 

 tions for 1785 (p. 221), above 400 more have been 

 taken in various parts of the heavens." 



These four hundred unpublished gauges have lately 

 been extracted from the original observing-books 

 preserved at the Herschol family residence at Colling- 

 wood, through the kindness of Sir William Herschel, 

 the present baronet, and of his brother. M.ajor John 

 Herschel; and the manuscript h,as been presented 

 to Professor Holden, director of the Washburn 

 observatory. 



The original records are in the liandwriting of 

 Miss Caroline Ilerschel, and by her faithful care 

 every detail necessary to their accurate deduction is 

 preserved. It will be observed that only two-thirds 

 of the star-gauges of Herschel have heretofore been 

 known. The new acquisition will l)e welcomed by 

 those interested in this class of observations. They 

 are a new gift from an inexhaustible mine. 



— The bureau of education has just published a 

 circular of information, containing the results of an 

 inquiry into the effects of co-educating the sexes in 

 three hundred and forty cities and large towns of the 

 Union. Of these, three hundred and twenty-one 

 practise co-education throughout the public-school 

 course, seventeen co-educat<' for part of the course, 

 and two separate the sexes entirely. A carefiU 

 analysis of the reasons adduced for co-education en- 

 ables the editor to formulate them as follows: co- 

 education of the sexes is preferred where practised, 

 because it is, 1°, natural, following the usual struc- 



