574 ANNUAL RECORD OF SCIENCE AND INDUSTRY. 



upon the geography and topography is from the pen of 

 Mr. James T. Gardner, geographer of the expedition. There 

 is also an appendix, by Mr. A. R. Marvine. 



The book is, of course, indispensable to all persons inter- 

 ested in the physical geography and natural history of the 

 West. 



ARRANGEMENTS FOR A BOTANICAL GARDEN IN CHICAGO. 



A commendable enterprise has been initiated in Chicago, 

 by the South Park Commissioners, in the setting apart of 

 sixty acres for the establishment of botanical gardens, this 

 space to be increased from time to time as occasion may re- 

 quire. The general management of affairs is in charge of 

 the board, of which Mr. 1ST. H. Hibbard is president and H. 

 H. Bab cock secretary. 



It is proposed to have a botanic garden proper, provided 

 with suitable houses for the reception of plants requiring 

 protection, an arboretum, a garden for general floriculture, 

 a botanical museum, an herbarium, and a botanic library. 

 A circular has been issued by the board of managers, so- 

 liciting contributions to the several departments of the 

 garden, especially of seeds, cuttings, living plants, and her- 

 barium specimens. This solicitation is made with the ex- 

 pectation of being able to make proper return for such 

 contributions at an early day. The general direction of 

 the establishment has been placed in charge of Mr. H. H. 

 Babcock. 



THE CHESS PROBLEM OF THE EIGHT QUEENS. 



The chess problem proposed by Nauck to the distinguish- 

 ed mathematician Gauss, viz., to determine the number of 

 ways in which eight queens can be placed on a chess-board 

 so that no one can take or be taken by any other, has been 

 completely solved by Gunther, whose solution has been 

 somewhat improved by Mr. J. H. L. Glaisher. According 

 to these gentlemen, for a chess-board of sixteen squares and 

 four queens there are two solutions of the problem, in a 

 board of twenty-five squares, ten solutions, and in a board 

 of sixty-four squares, with eight queens, ninety-two solutions. 

 Of these ninety-two solutions, one is perfectly symmetrical, 

 and is given by Mr. Glaisher in full. 7 J, XL VIII., 456. 



