G.-No. 23.

REPORT RELATIVE TO MEASUREMENT OE LONGITUDE, &o.

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Appendix D. Electric Difference of Longitude, Hutt and Eockyside Observations by Eockyside Observations Ditto ditto Hutt „ H. it. S. 0 17 44415 0 17 44624 Mean Longitude, Eockyside Observatory, by J. T. Thompson, 26 observations, weight 12850 0 17 44519 * 11 22 06190 ± 14 Longitude, Hutt ditto ditto ditto ditto Ditto ditto H.Jackson 36 ditto weight 25880 11 39 50709 11 39 50-730 ± 10 Mean Longitude of Hutt Observatory, 62 observations, weight 38 730 ... ... Difference of Longitude for Bearing, 235° 28' 535". Distance, 492157 feet • •* 11 39 50723 ± 0-82 — 35413 Longitude of Wellington Observatory 11 39 15310 ±0 82 J. T. Thompson, F.E.G.S. Henbt Jackson, P.E.G.S.