On the Transit Instrument in determining Latitude. 55 
8. The dates of the observations. 
4. The mean results for latitude from each pair, using the 
positions of the B. A.C.; the seconds of the individual results, 
where the same pair was observed on different evenings, being 
placed at the left hand side of the column, and connected with 
their mean by a brace. ‘ 
5. The differences, 4, between these mean results of pairs and 
the mean of the whole. ; 
6. The results for latitude from the same observations, the 
position of one or both the stars of the pair being taken from 
some other catalogue than the B,A.C.; the arrangement as In 
column 4, 
7. The names of these other catalogues; G. standing for Green- 
wich Twelve Year Catalogue; B. that of the British Association ; 
R. the catalogue in Radcliffe Observations for 1856; and A. the » 
English Nautical Almanac. A. G., for example, signifies that 
the position of the first star of the pair is from the Nautical Al- 
manac, and that of the other from the Twelve Y ear Catalogue; etc. 
8. The differences between the results in column 6 and the . 
mean of the whole. 
: by other! Name of! 
gg Date of observation. | Lat. by B. A. C. | 4 spre foe 09g loaitateais. | 4 
: 41° 18! Are 18! eeE 
BA Sep oot rese | geet ames | te 8a ‘32426 BG. +03 
“ “I : 
155 21 “ rT) vb 40° —2°4 398 8 26 
9 I erty 
24 33 | att a 4x0) BG. 
i 16 3a | + 5-3, BG. +79 
267 314 « Dec. 16 45:3 29 4 . G. 
ty me i ag a Soe } 425 | tor cat 4a-2| G.G. |-O? 
: age a 8 ¢ ae) F 5 
el ag | PP oy | ce7| ft) BR “23 
rat “ ‘O° zs : 
1313 |, 1 WEL 4m 435 | +11 vir “ - sot 
94 ae ; ~ li ve ee 42-4| BG. | 00 
‘ ‘ . * 
3767 “ie “ “ y : 426 40°2 42°4| G. B. oo 
3856 391 ts Ty & 4r'8 -0'6 47°32 )°G, sok 
3968 3995 wruse st ' 40.8 ar6 405; B.G. ad 
‘ Bie 4151 r sea “ 43-9 es 43-0| G.G. 
2 17 ™ 
8 OS ee eee 42 | +04 
4371 4408 e 42 40°5 421| B.G. |-o3 
does | £23 | June 90 oe ot < Been Wes 
36 ‘ “ ti ‘oO : . 
se 5181 a Daly 5 15 | -09 oe 
- = ——— yas 4o3 | -2'I re 4o8| R.A. (-1°6 
5285 | 530 ree I ae | a8 fo8| A.B. |-6 
5336 | 53 pon “4 431 +0°7 442) B.R. |+1'8 
5406 “ 15 —o”9 
3417 sabe cre sg rt s 4 8| B.G. |40-4 
5460 | 5523 * June 30 43-7 | +13 428; BG. i+) 
