CONTENTS. 



Page 



Art. XXV. — Effect of Glaciation and of the Glacial Period 

 on the present Fauna of North America; by S. H. 

 Scudder 179 



XXVI. — Constitution of the Zeolites; by F. W. Clarke.. 187 



XXVII. — Hemimorphic Wulfenite Crystals from New Mex- 

 ico ; by C. A. Ingersoll 193 



XXVIII. — Notes on the Tertiary and later History of the 



Island of Cuba; by R. T. Hill 196 



XXIX. — Mineral ogical Notes on Cerussite, Calamine and 



Zircon; by J. H. Pratt 1 212 



XXX. — Reduction of Arsenic Acid by the Action of Hydro- 

 -chloric Acid and Potassium Bromide ; by F. A. Gooch 

 and I. K. Phelps 216 



XXXI. — Occurrence of Leadhillite in Missouri and its 

 Chemical Composition; by L. V. Pirsson and H. L. 

 Wells 219 



XXXII. — Thermo-Electric Heights of Antimony and Bis- 

 muth Alloys; by C. C. Hutohins 226 



XXXIII.— Magnitude of the Solar System ; by W. Hark- 



ness .. 230 



XXXIV. — Nitrogen Content of California Bitumen ; by S. 



F. Peckham 250 



XXXV. — Note on Artificial Crystals of Zinc Oxide; by H. 



Ries .- 256 



Appendix. — XXXVI. — Description of Tertiary Artiodac- 



tyles ; by O. C. Marsh 259 



SCIENTIFIC INTELLIGENCE. 

 Chemistry and Physics — Law and Theory in Chemistry, D. Carnegie, 257. 



Astronomy — Treatise on Astronomical Spectroscopy, J. Scheiner and E. B. 

 Frost, 257. 



