III. 



Occultations and Eclipses observed at Dorchester and Cambridge, 



Massachusetts. 



Br WM. CRANCH BOND, A. M., 



DIRECTOR OF THE OBSERTATORV, 



WILLIAM. C. BOND, Jr., 



AND 



GEORGE P. BOND. 



{Communicated to the .Academy, August 12th, 1846.) 



The series of observed eclipses of the sun and moon, and oc- 

 cultations of stars and planets, which are herewith presented to the 

 Academy, were observed from three different stations. The first 

 portion of them from my late residence at Dorchester ; the second, 

 from a position near Harvard Hall, in Cambridge ; and the third, 

 from the new Observatory. 



The relative bearings and distances of these points have been 

 accurately determined, and each one of them has been connected 

 with three points of the main triangulation of the State, by Simeon 

 Borden, Esq., superintendent of the State survey, and his assistant, 

 Charles O. Boutelle, Esq. 



The latitude and longitude of each has been separately ascertain- 

 ed from astronomical observations, and the resulting positions are 

 given at the head of their respective divisions. 



The whole series is now in process of final reduction, and, from 



