Page:Narrative of a survey of the intertropical and western coasts of Australia, Volume 2.djvu/431

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? APPENDIX.. &. .= ENDEAVOUR RIVER. The observatory, whieb wmt ,.l?. ?.I?, placed within a ?ew yard?of the shore on the south side of the es. trance, (the summit of the .highest bush near the extremity of the opp6site sandy beach, bearing by compass W. 3' 40'S.), was found to be situated in latitude 15�" ? longitude 145 � 49. (See note, Appendix A. p. 279.) , .GOULBURN ISLANDS. The obtervations were"taken upon Bottle Rock, the largest of two rocky islets at the north end of South-west Bay; but the re,nits were so doubt. ful and unsatisfactory, that the longitude determined by the ehFonpmeter8 was preferred. The following are the obser- vations that w. ere taken to fix its situat?on, v/z.: Latitude iby fourteen meridional altitudes of the ?) i. i. on the soa-horison, taken in various parts Of the buy, aml reduced by o , - ?urvey to Bottle Rock . . 11 37 24 �he. difference of longitude between Bottle Rock and Cassini Island by chronometers,

. taken in 1819 . . 7 40 47

1820 . . 7 40 00 1.821 . . , 7 38 28 Mean difference betWeen Cassini Island and Bottle Hock . . 7 39 45 ]?os?dtude. of Cassini Island from Careening

. Bay, by su?ey .... 1?5 38 46

Longitude of Bottle Rock, by chronometer, from Cassiqi Island . . . 1.33 18 31 �The mean or the ?esults of the lunar distalices ?hat-were' t?en during t?e years 1818 and 1819, ?a?o