OF ARTS AND SCIENCES. 



41 



Mr. Peirce is collecting observations preparatory to a still 

 more thorough investigation of the orbit of this comet, and 

 desires communications from those astronomers who may- 

 have observed it. 



Professor Peirce said that his attention had been drawn, by 

 Mr. Herrick of New Haven, to the supposed planet observed 

 by Wartman of Geneva, in 1831, with the inquiry, whether it 

 was not identical with Le Terrier's. He showed, that, although 

 it could not have been more than eight or ten degrees distant 



6 



