Vlii CONTENTS. 



J. F. KEMP. 



Exhibition of interesting Minerals Collected during the Summer 44 



Notes on Butte, Montana, and its Ore Deposits 325 



Notes on the Geology of the Trail from Bed Kock, Montana, to and be- 

 yond Leesburg, Idaho 326 



Some Eruptive Rocks from the Black Hills 396 



G. F. KUNZ. 



A New Meteorite from Guatemala, Mineralogical Notes, with Exhibi- 

 tion of Specimens 43 



D. S. MARTIN. 



Work of the Geological Section at Toronto 366 



W. D. MATHEW. 



Status of the Puerco Fauna 369 



A. p. MATHEWS. 



Chemistry of the Spermatoza 368 



J. H. MCGREGOR. 



An Embryo of Cryptobranchus 73 



The Formation of the Spermatozoa in Ampbiuma 307 



p. C. MCILHINEY. 



A Preliminary Note on the Color of X-ray Fluorescence 30 



L. A. MCLOUTH. 



A Review of Eugene Wolff's " Geschichte der Deutschen Literatur der 



Gegenwart " 69 



Exhibition of a Photographic Fac-simile of the Jenasr LiederJiandschrift 374 



F. J. H. MERRILL. 



The Geology of Greater New York 370 



F. S. MUCKEY AND WM. HALLOCK. 



Some Peculiar Observations in the Acoustics of Articulation 31 



D. H. NEWLAND. 



The Serpentines Near New York City (by title) 325 



F. C. NICHOLAS. 



Explorations in the Gold Fields of Western Colombia (" School of Mines 



Quarterly" for April, 1897) 166 



The Geology of Eastern Colombia, South America (see p. 166) 74 



