CONTENTS. V 



Number 285. 



Page. 



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

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

 Scuddee -- 179 



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



XXVII. — Hemimorphic Wulfenite Crystals from New Mex- 

 ico; by C. A. Ingeesoll. 193 



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



Island of Cuba ; by R. T. Hill 196 



XXIX. — Mineralogical Notes on Cerussite, Calamine and 



Zircon; by J. H. Peatt 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. Haek- 



kess 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. Maesh 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. 



