LETTER OF TRANSMITTAL 



Washington, April 5TH, 1897. 

 The Committee on Indexing Chemical Literature, appointed in 1882 

 by the American Association for the Advancement of Science, has voted 

 to recommend to the Smithsonian Institution for publication the follow- 

 ing : — 



Review and Bibliography of the Metallic Carbides, 



by J. A. Mathews, M. S., M. A., School of Mines, Columbia University, 

 New York. 



H. CARRINGTON BOLTON, Chairman. 



Mr. S. p. Langley, 



Secretary of the Smithsonian Institution. 



