VI TABLE OF CONTENTS. 



PAGE 



Meteorology 104, 110, 200, 206 



Mineralogy, 27, 39, 95, 110, 140, 145, 186, 194, 196, 197, 198, 200, 201, 205 



Miscellaneous 104, 128, 139, 156, 200 



Physics 21, 137, 138 



Pedagogics 37 



Photography 76, 99 



Zoology 2,15,128, 157 



PAPERS READ BEFORE THE ACADEMY. 



WILLIAM BEUTENMULLER. 



A list of the Lepidoptera hitherto observed in the vicinity of New 

 York City, with notes on their food plants (October 7, 1889), 

 title 2 



H. CARRINGTON BOLTON. 



Contributions of Alchemy to Numismatics (December 23, 1889), ab- 

 stract 71 



Researches on Sonorous Sand in the Peninsula of Sinai (October 21, 

 i^%^), abstract , 21 



Scientific Jottings on the Nile and in the Desert (February 24, 1890) 110 



N. L, BRIXTON. 



A List of State and Local Floras of the United States and Canada 



(February 24, 1890), title 108 



Contributions to Texan Botany (May 5, 1890) 181 



Ferns and their Allies, present and past (November 4, 1889) 26 



New or Noteworthy North American Phanerogams (October 7, 1889) 6 



THOMAS L. CASEY. 



Coleopterological Notices (October 7, 1889), title 2 



p. H. DUDLEY. 



Termites of the Isthmus of Panama, Part II. (May 5, 1890), ab- 

 stract 157 



E. B. DUNN. 



The Change in our Climate, and the Cause (June 9, 1890), abstract. . 206 



JONATHAN DWIGHT, JR. 



Geographical Variations in the Horned Larks of North America 

 (March 10, 1890), abstract 128 



