CONTENTS. 



Page 

 Art. IV. —Gastropod Trails in Pennsylvanian Sandstones 



in Texas ; by S. Powees : 101 



Art. V. — Seaside Notes; by P. E. Raymond. . 108 



Art. VI.— The "Varve Shales" of Australia; by T. W. 



David 115 



Art. VII.— ^Mineralogy : Augite of Haleakala, Maui, Ha- 

 waiian Islands; by H. S. Washington and H. E. 

 Merwin 11? 



Art. VIII. — "Oligocehe Rodents of the Genus Ischyromys; 



by E. L. Troxell 123 



Art. IX. — Glaciation of the Mountains of Japan ; by N. 



Yamasaki 131 



Art. X. — Studies in the Cyperaceae; by T. Holm. 

 XXXIII. Carices aeorastachya? : Macrochsetse nob. 

 and Nesophila3 nob. (With 12 figures drawn from 

 nature by the author) 138 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics. — Anew Cyanide, W. S. Landis; A Very Sensitive 

 Reaction for Copper, P. Thomas and G. Carpentier, 145.— Lehrbuch der 

 Eisenhiittenkunde, B. Osann : Mining Physics and Chemistry, Z. W. 

 Whitaker, 146.— The Adsorption of Gas by Charcoal and Silica, 147. — 

 Tables Annuelles de Constants et Donnes Numeriques, 148. — Report of the 

 - National Physical Laboratory for 1920 : Die Naturwissenschaften, Zweiter 

 Band, F. Dannemann, 149. 



Geology and Mineralogy. — Geological Survey of Canada, 150. — A Review of 

 the Evidence of the Taconic Revolution, T. H. Clark : Fossilium Cata- 

 log-US, K. Lambrecht, etc. : Report of the State Geologist on the Mineral 

 Industries and Geology of Vermont, 1919-1920 : Bernice Pauahi Bishop 

 Museum of Polynesian Ethnology and Natural History, Honolulu, Hawaii, 

 151. — Mikroskopisohe Physiographie der Mineralien und Gesteine, H. Ro 

 senbusch, 152. — Morphogenese der Oetscherlandschaft, K. Diwald : New 

 Meteorites, G. P. Merrill, 153. — Feldspar Studies : Optical. Chemical 

 and Thermal Properties of Moonstone from Korea, S. Kozu and M. Suzuki ; 

 A Manual of Determinative. Mineralogy with Tables, J. V. Lewis. 154. — A 

 Text-Book of Mineralogy, E, S. Dana and W. E. Ford, 155. 



Miscellaneous Scientific Intelligence. — Dairy Bacteriology, Orla- Jensen, 155. 

 —Report of the Secretary of the Smithsonian Institution, C. D. Walcott, 

 for the year ending June 30, 1921, 156.— Publications of the Carnegie In- 

 stitution of Washington, 157. — Report of the Librarian of Congress, H. 

 Putnam, and Report of the Superintendent of the Library Buildings and 

 Grounds, F. L. Averill, for the year ending June 30, 1921, 158. 



