CONTENTS OF VOL. XXXII 



Article I. (No. 659.) The Constants of Nature. Part I. A 

 Table of Specific Gravity for Solids and Liquids. 

 [New Edition : revised and enlarged.] By Frank "Wig- 

 glesworth Clarke. 1888. Pp. 420. 



Article II. (No. 658.) Index to the Literature of the Spec- 

 troscope. By Alfred Tuckerman. 1888. Pp. 433. 



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