50 



PROCEEDINGS OF THE AMERICAN ACADEMY 



Agassizia, Chavan., est Galvesia, Bomb. Agassizia, Spach., est Sphse- 

 rostigma, (Ser., et Holostigma, Spach., subgenus merum (Enotherse." 



Two hundred and ninetieth Meeting. 



January 27, 1S47. — (Quarterly Meeting. 



The President in the chair. 



Mr. Bond communicated the following 



Observations on the Planet Neptune, 1846 - 47. 

 Cambridge Observatory. Long. 4''- 44™- 32'-. 



*' From Oct. 21st to Jan. 12th the star of comparison was 7648 

 B. A. C. ; its mean place for Jan. 1st, 1846, is A. R. 21'" 50™- 05' .94, 

 Dec. — IS** 23' 55".5, being a mean of six recent determinations by- 

 Professor Challis of Cambridge, England, On Jan. 19th and 25th the 

 planet was compared with a star of the ninth magnitude, the mean 

 place of which, for Jan. 1st, 1846, taken from Bessel's Zone observa- 

 tions, is A. R. 22''- 02"'- OP .25. Dec. —13° 05' 22".5. 



" The following Circular Elements have been computed by Mr. G. 

 P. Bond, assistant at this Observatory. 



