TABLE OF CONTENTS. 



Article I. (1372.) The International Exchange Service 

 OF the Smithsonian Institution. 1902. Pp. 4, 



Article II. (1374.) Index to the Literature of Thorium, 

 1817-1902. By Cavalier H. Jouet. 1903. 

 Pp. 154. 



Article III. (1376.) List of Publications of the Smithso- 

 nian Institution, 1846-1903. By William Jones 

 Rhees. 1903. Pp. vii, 99. 



Article IV. (1417.) Phylogeny of Fusus and its Allies. By 

 Amadeus W. Grabau. 1904. Pp. iii, 192. 

 Plates I-XVIII. 



Article V. (1440.) A Select Bibliography of Chemistry, 

 1492-1902. By Henry Carrington Bolton. 

 Second Supplement. 1904. Pp. iii, 462. 



(V) 



