Magnetic Observatory, Hobart Town. 
285 
mentioned, I am indebted to Capt. P. P. King, R.N., aad 
Mr. Tyers, for much of the necessary data. 
Longitude of Fort Macquarie, in Sydney Harbour. 
AUTHORITIES. E. or GREENWICH. 
Mr. Raper, from occultations observed at Para- 
matta, between 1812 and 1828, and reduced 
topBorieVincquiamien sae ee eA ada ek 
Sir Thomas Brisbane’s longitude of Paramatta 
reduced to Fort Macquarie.........-...:...0:-c+-+-: 
Mr. Rumker on the longitude of Paramatta, 
Mem. Astr. Soc., vol. 6. p. 218, reduced to 
Monty MIRC Quan: coset sacesscaearesccartec cues sate 
Captain Owen Stanley, R.N., H.M.S. “ Rattle- 
snake,” 1849, occultation of y Virginis........ 
Captain Blackwood, R.N., H.M.S. “Fly™ .... 
Captain P. P. King, R.N., Moon culminating 
star observations, made at Tahlee, Port 
Stephen, and reduced to Fort Macquarie .... 
Captain P. P. King, R.N., eclipses of the 
Sun and Jupiter's Satellites, and occultations 
observed at Tahlee, Port Stephen, and re- 
duced to Fort Macquarie a 
Captain Owen Stanley, R.N., Area! pee 
nating star observations, made at Port 
Essington, using his own meridian dis- 
tances tomk onte Maco marien sess cect ce cscne sc: 
° 
, 
“ 
Poly 4a t9 
39 
14° 
15° 
14° 
14° 
15° 
16° 
15° 
47 
01 
14 
5A 
15 
56 
* I have not been able to obtain the method of observation pursued by 
Captain Blackwood in this determination. It is from a paper by the late 
lamented Captain Owen Stanley, R.N., on the longitude of Fort Macquarie, 
that it has been obtained. 
