/ 
330 A VOYAGE TO [East Coast. 
isos, with these he took a short letter to the secretary of the Admiralty, 
Monday io. and one to the Victualling Board inclosing such vouchers as had been 
saved from the wreck. To Mr. Inman I gave the remaining instru- 
ments belonging to the Board of Longitude, reserving only a time 
keeper and a telescope ; the large and most valuable instruments had 
very fortunately been delivered to him before we had sailed from 
Port Jackson in the Porpoise. 
These matters being arranged, I pressed captain Gumming to 
depart, fearing that a change of wind might expose the Rolla to 
danger ; but finding him desirous to take off more provisions and 
stores, I made sail for a bank or rather islet seven miles distant, at 
the eastern extremity of Wreck Reef, for the purpose of collecting 
sea-birds eggs, and if possible taking a turtle. I he Rolla joined on 
Tuesday ii. the following day, and I went on board to take leave ol Messrs. 
Fowler and Flinders and the other officers and gentlemen ; at noon 
we parted company with thrde cheers, the Rolla steering north-east- 
ward for China, whilst my course was directed for Torres' Strait. 
With the timekeeper, Earnshaw's No. 5 2 °> Iliad leceived 
from lieutenant Flinders an account of its error from mean Green- 
wich time at noon there Oct. 6 , and its rate of going during the 
fourteen preceding days, which were as under. 
No. 520, slow o h 9' 49", 35 anf l l° s ' n g 34 A 3 P er day. 
The latitude of Wreck -Reef Bank was ascer- 
tained from eight meridian observations from 
the sea, and four from an artificial horizon : 
the mean of the latter, which are considered 
the best, is - - " " - 22 11 23 S. 
Longitude from sixty sets of lunar distances, 
of which the individual results are given in 
Table VIII. of the Appendix No. I. to this 
volume, - - - - 155 18 50,5 E. 
The longitude of the bank, as given by Earnshaw’s No. 520 
on Aug. 28, eleven days after the shipwreck, was 155 0 4', t ^',6 
