NOTICES TO CORRESPONDENTS. 



Dr Forchhammer's interesting Paper will appear in our next Number, and 

 we hope to hear again from him soon. 



We shall be glad to receive the rest of Professor Schow^s Communication as 

 soon as possible. 



A's Meteorological Paper is unavoidably postponed till next number. We have 

 made the addition to it which he requested. 



Professor Hansteen's paper did not reach us till too late for the Number. 

 It will appear in No. xvii. 



We beg that he will favour us with the results of the Hoiurly Observations at 

 Chrbtiania and Drontheim for 1827, which he mentions ; and we shall be glad to 

 hear of the success of his labours in Siberia. 



Mr Marshall's Quarterly Meteorological Journal has not reached us as usual. 



Mr Haidinger's valuable paper, which has only this moment reached us, will 

 appear in next Number. 



ERRATA. 



Page 69, line last, /or 631 read 431. 



75, — 5, — discovered read described. 



81, — 10, — sheets read streets. 



85, — 35, ^; — coal read coals. 

 The reader is pat»^larly requested to correct the following errors in the first 

 part of the Memoir on the Horary Oscillations of the Barometer at Rome, which was 

 printed in our last number. 

 Page 115, tliird line from bottom,/or " now on the tube," read " moved on the tube." 



116, at bottom of the small table, /or 26.945 Eng. in. read 29.945 Eng. in. 



118, col. 5, 1. 2, (obs. No. 33,) /or 57 read 56. 



col. 4, (obs. No. 57,) /o*- 016 read 30.016. 



(obs. 74,) /or 806 read 29.806. 



121, col. 2, (obs. 328,) ahove « 7" insert " April." 



124, col. 5, last line but one, for 'J'Jb read 755. 

 col. 10, 1. G.for 020 read 30.020. 



125, col. 10, L 17,/w 057 read 059. 



126, col. 10, 1. 6,/(w 163 read 183. 



127, col. 10, L 13 from bottom, /or 30.945 read 30.045. 



128, col. 5, 1. 20, (opposite 5a.) /or 077 read 0C3. 

 — — 1. 21, (opposite C>k.)fbr 083 read 098. 



— _ 1. 22, ( 7a.) /or 098 read 107- 



— — 1. 23, ( 8a.) /or 107 read 116. 



— _ 1. 24, ( 9a.)/w 1 16 read 127. 



.__ 1. 25, ( 10a.) /or 127 read 144. 



_ — 1. 26, ( llA.)/or 144 read WJ. 



— . 10. 8th line from bottom, /or 264 read 269. 



6th for 254 read 258. 



