CONTENTS. 



Number 141. 



Page 

 Art. XIX. — Plains in Cape Colony ; by E. H. L. Schwarz. . 185 



XX. — Use of Zinc Chloride in the Esterification of Succinic 



Acid ; by I. K. and M. A. Phelps 194 



XXI. — Volumetric Estimation of Lanthanum as the Oxalate; 



by W. A. Drttshel „ 197 



XXII. — Studies on the Mode of Growth of Material Aggre- 

 gates ; by A. J. Lotk A 199 



XXIII. — Catalan Volcanoes and their Rocks ; by H. S. 



Washington 217 



XXIV. — Anemonella thalictroides (L.) Spach ; an anatomical 



study ; by T. Holm . 243 



XXV. — Mineralogical Notes; by C. Palache .. 249 



XXVI. — Mercury Minerals from Terlingua, Texas ; Kleinite, 

 Terlinguaite, Eglestonite, Montroy elite, Calomel, Mer- 

 cury ; by W. H. Hillebrand and W. T. Schaller 259 



XXVII. — Note on the Forms of Arkansas Diamonds ; by 



G. F. Kunz and H. S. Washington 275 



XXVIII. — On a Method for the Observation of Coronas ; 



by C. Barus 277 



SCIENTIFIC INTELLIGENCE. 



Miscellaneous Scientific Intelligence — Las Forinaciones Volcanicas de la Pro- 

 vincia de Gerona, S. Calderon, M. Cazurro, and L. Fernandez- 

 Navarro : I Vulcani Attivi della Terra, G. Mercalli : Die Mineralien 

 der Siidnorwegischen Granitpegmatitgange, W. C. Brogger, 282. — Das 

 Problem der Schwiugungserzeugung. H. Barkhadsen : Lehigh Univer- 

 sity, Astronomical Papers, J. H. Ogburn, 288. 



Obituary — Angelo Heilprin : Professor J. M. Safford, 284. 



