3t8 INDEX TO CONTRIBUTORS. 



B. F. Craig. 



PAGE 



46. Remarks on climate and the distribution of moisture. 



J. Curtis. 



105. Remarks on waterspouts and cloudbursts. 



R D. CUTTS. 



24. Remarks on hypsometr}^ and local attractions. 



W. II. Ball. 



27. Remarks on elevations and depressions in Alaska. 

 36. Remarks on the mammoths of Alaska and Siberia. 

 65. On the strata of the shell heaps of the Aleutian Islands. 

 89. Remarks on the tides of the Arctic basin. 

 94. Remarks on a Dakota calendar. 

 112. Remarks on disease. 



184. Remarks on a new levelling insti'ument. 



185. Remarks on copper implements used in Alaska. 



193. Remarks on currents and temperatures in Behring's Sea. 

 193. On the natural history of the Chitonidas. 



Mr. G. B. DixwELL (of Boston). 



64. On cylinder condensation, steam-jackets, and super- 

 heated steam. 



M. H. DOOLTTTLE. 



134. Remarks on the formation of the earth. 



186. Remarks on the satellites of Mars. 



188. On the nebular hypothesis and the inner moon of Mars. 

 190. On the influence of aerolites in planetary motion. 

 190. On aerolithic disturbance of planetary motions. 



C. E. Button. 



18. Remarks on oceanic surface temperatures. 

 22. Remarks on sounds and audition. 

 26. On the glacial period. 



42. Remarks on the distribution of fauna. 



43. Remarks on the iron facing of copper plates. 



44. On the causes of the glacial climate. 



45. Remarks on Croll's theory of glacial climate. 

 58. Remarks on audibility of distant sounds. 



16. Remarks on the geology of the Colorado region. 



