ECLIPSE OP THE SUN, NEAR OLlSrOS, rERU. 



15 



The preceding observations, with the same instruments, were made at Payta 

 before proceeding to the interior. The instruments were suspended in a balcony 

 having a northern exposure, and 27 feet above the sea level. In the column 

 "Force of Wind," signifies "Calm;" 10 a "Gale." In the column ''Weather" 

 signities " Clear;" 10 " Entirely Clouded;" " K"— Cumuli— " C"— " Cirrus," &c. 



After the noon observations of 28th, the thermometers were packed. 



COMPUTATION OF THE TOTAL SOLAR ECLIPSE OBSERVED 

 NEAR OLMOS, PERU, SEPTEMBER 7, 1858. 



BY F. G. HESSE, ASST. U. S. N. AST. EXP'N. 



The general theory adopted in the following computations is that of Bessel, as 

 developed in the second volume of his Astronomical Researches. 



