SCIENCE. 



[Vol. XI. No. 273 



lUssiaCementCo., 



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Mann's Keterence Indexes. 



References lo and transcripts or translations of the lit- 



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Correspondence fee, 50 cents. E-^planatory circulars 



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HARVARD UNIVERSITY. 



inslruction will be given in the followine 

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nformation apply to the Secretary of Harvard 

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FOR SALE at a bargahi. a complete set of Walts' 

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E. H. S BAILEY, 



University of Kansas, 



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PORTRAIT OF AGASSIZ. — Chapter 94 of The 



Agassiz Association has for sale photographs of 

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