Address of the President of the Royal Society. 105 
perseverance ; and, with regard to the southern portion, the knowledge . 
already acquired is considered to justify the expectation that the result, 
of the second year’s exploration will be no less favorable. Should such 
be the case, it is anticipated that the necessary steps will be taken for 
carrying into execution the measurement of the arc itself. 
erhaps, be permitted to allude for a moment to the P 
interest with which I must naturally regard the proposed undertaking. 
he measurement of an arc of the meridian at Spitzbergen is an enter- 
favorable than those contemplated by its original proposer—by reason 
of the high latitude of the northern observer—the greater number of 
stars in the moon’s path, now included in our catalogues, of which a 
re’ 
of land above the sea-level; and I may therefore venture to refer them 
to a paper in the Phil. Trans. for 1824 (Art. xvi), written from Spitz- 
bergen itself in July, 1823, containing the articulars of a barometrical 
and trigonometrical determination of the height (approximately 1644 
English feet) of the well-defined summit of a conspicuous hill in the 
* Antoni i,“ 210 per riconoscere la Figura della Terra.” 
er apg bo ele ae go ety rk peeing 
an appendix, was printed for private circulation in 1819 by Mr. 
notes an 
is Baily, * 
Am. Jour. Scr.—Seconp Series, VoL. XXXVII, No. 109.—Jan., 1864. 
14 
