On the Transit Instrument in determining Latitude. 61 
and “College Spire,” which is that of the Lyceum, or middle 
spire. The results are as follows. 
Lat. by Talcott’s 
ik Beinn By Coast Survey, | Diff. 
Observatory of the writer,..........-. «| 419 187 42/741 
Factory Cupola, East Street,.......... 3°29 | 41° 187 7/10 | 3/"81 
St, Paul’s Church, W. Spire, ......-..-. 152 11°32 8°80 
‘ollege Observatory, (Athen. Tower),... 22.36 
“College Spire,” (Lyceum), 23°90 27°74 | 384 
Chapel Spire, | 26°49 
Mean excess of geodetic over astronomical lat, 8'”82. 
Cygni, and y Cephei and » Piscium, according as the declinations 
are taken from the several catalogues named. 
a and 61! 4 Cephei, 
Wino]: ygni. w Piscium. 
English Nautical Almanac,.......++.++| 41° 18! 42/75 41° 18441/"7 
Twelve Year Catalogue,.........++++ . 42°6 414 
Bm A Oye ce 42-7 41°8 
Greenwich, 18 42°8 41° 
Washington, 1845-1850 40° 
Radcliffe, 1856, 41.9 40: 
Bradley,.... 40°7 
i, Ss =e a 41‘1 
ONS eee 41'8 
ee 41°4 
_ It will be noticed, also, in respect to these two pairs, that there 
18 a greater difference between their respective mean results, 
than we should expect from well determined nautical almanac 
