384 INDEX TO CONTRIBUTORS. 



PA(3E 



57. On sound iu connection with fog signals. 



59. Remarks on acoustic refraction. 



60. On researches on sound in its application to fog signals. 

 60. On half vision. 



62. Remarks on ripple-marks. 



6t. Remarks on the regulation of the Hudson. 



11. Remarks on the recent progress of the Japanese. 



Tl. On illuminating materials for lighthouses. 



T4. Remai'ks on the temperature of space. 



80. Exhibition of Crooke's Radiometer. 



85. On apparatus for fog signals. 



86. Exhibition of a specimen of paper made of asbestos. 

 8Y. Communicates a letter from Mr. C. G. Boerner. 



104. Remarks on the telephone of Mr. A. G. Bell. 



105. Remarks on tornadoes. pey. 

 109. Announces the death of Rear-admiral Theodorus Bai- 

 111. Announces the decease of Messrs. Meek, Eaton, and 

 113. Remarks on the cosmogony. [Davis. 

 130. Remarks on the late Dr. B. F. Craig. 



162. Annual Address of the President. 



J. E. HiLGARD. 



22. Remarks on sound and audition. 



24. Remarks on hypsometry and local attractions. 



28. Remarks on vocabulary of an Italian opera. 



29. On a proposed reformation of the Gregorian calendar. 



30. Remarks on an improvement in the calendar. 



33. Remarks on the measurement of photographs of the Sun. 

 33. Communicates a memoir by M. C. Meigs. 

 36. Remarks on the glacial accumulation of snow. 



41. On the progress of the International Metrical Commis- 



42. On iron facing for copper plates. [sion. 

 48. Remarks on unconscious cerebration. 



50. Remarks on rainfall observations. [Atlanta. 



50. On the measurement of the Coast Survey base line near 



64. Remarks on meteorology and hygiene. 



64. Remarks on Mayer's method of determining a definite 



interval of time. 



t9. Remarks on Japan and the Japanese. 



82. Remark on reservoirs for regulating rivers. 



