290 REPORT ON THE EIGHTH SATELLITE OF SATURN. 



" The next night favorable for observation was the 18th, and 

 while comparing the relative brightness of the satellites, the same 

 object, similarly situated in regard to the planet, was again noticed, 

 and its position more carefully laid down. But still, at the time, 

 we scarcely suspected its real nature. 



" From accurate measurement on the evening of the 19th, the 

 star being found to partake of the retrograde motion of Saturn, 

 that portion of the heavens towards which the planet was approach- 

 ing was carefully examined, and every star near its path for the two 

 following nights laid down on a diagram, and micrometric measures 

 of position and distance with objects in the neighbourhood were 

 taken. 



" The evening of the 20th was cloudy. On the 21st, the new 

 satellite was found to have approached the primary, and it moved 

 sensibly among the stars while under observation. Similar observa- 

 tions were repeated on the nights of the 22d and 23d. Its orbit is 

 exterior to that of Titan. It is less bright than either of the two 

 inner satellites discovered by Sir William Herschel. 



" Respectfully, 

 [Signed,] "W. C. BOND. 



" President Everett.'- 



The foregoing report was read at the Quarterly Meeting of the 

 American Academy of Arts and Sciences, held this day in Boston, 

 and ordered to be printed as an Appendix to the forthcoming vol- 

 ume of the Memoirs. 



A. A. GOULD, Recording Secretary. 



Boston, dth November, 1848. 



