CON T E N T S. 



; Page 



w Akt. IX. — New Tertiary Artiodactvls; by R. S. Lull. 



(With Plate T) * * 83 j 



Art. X — The Binary System Akermanite-Gehlenite; by J. 



B. Ferguson and A.' F. Buddixgtox 131 



Art. XI. — Some Chemical Observations on the Volcanic 

 Emanations and Incrustations in the Valley of 10,000 

 Smokes, Katmai, Alaska; by J. W. Shipley 141 



Art. XII. — The Ordovician of Madison, Indiana; by E. D. 



McEwax 154 



Art. XIII. — Studies in the Cyperaeea?; by Theo. Holm. 

 XXX. Carices aeorastachya 1 : Cryptocarpa? nob. (With 

 14 figures in the text). . 159 



SCIENTIFIC INTELLIGENCE. 



Geology and Natural History — Beport of the Second Norwegian Arctic Ex- j 

 pedition in the "Fram," 1898-1902: Eocene insects from the Rocky 

 Mountains, T. D. A. Cockerell, 169. — Annotated list of the Recent 

 Brachiopoda in the collection of the United States National Museum, 

 with descriptions of thirty-three new forms, W. H. Dall : Paleeontology. 

 Invertebrate, H. Woods : The Life of the Pleistocene or Glacial Period, 

 F. C. Baker, 170. 



Miscellaneous Scientific Intelligence — The Professional Preparation of Teachers 

 for American Public Schools, 171. — The Microbiology and Microanalysis 

 of Foods, A. Schneider, 172. 



Obituary — G. Seligman. 172. 



