CONTENTS. vil 
Page 
Notices communicated by C. Johnson, Esq......se0ssesececvevcssceess 386 
Temperature of the Interior of Cape Breton from Dec. 5, 1813, to April 
BA, USD. ence ce ctececsceccrccnnccsscsccssecacsoussesesseces 389 
New Mode of administering Medical Blacnici! By Mr. Gill. ........ 389 
On British Mathematical Periodical Works, with a Mathematical cue 891 
BET RTLONIC MIAMI. 4.00 :0'c 5d sisisinie shdeclepa vn a eanieeea she visiaes peice 39 
Beene Metical Society .i2../ 5.00 twinair os ciananneconcsdea eee Paieleinieininie's sioiels 393 
On the Magnetic Needle. By Col. Beaufoy, F.R.S........se0seeeees +. 394 
Col. Beaufoy’s Magnetical and Meteorological Observations, for March.. 396 
Mr. Howard’s Meteorological Journal, Feb. 17 to March 18. .....5.+- 399 
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NUMBER LXXVIII.—JUNE. 
Researches on a new Mineral Body found in the Sulphur extracted from 
Pyrites at Fahlun. | By J. Berzeling. 0.000050. ccaede secs cn ccccnccten 401 
Observations on the measuring of the Angles of Crystals. By M. Haiy. 413 
Memoir on Cyanogen and Hydrocyanic Acid. By M. Vauquelin: ...... 429 
Onsbarnebia,yoce, | By Dr Burney. 2. <5 <cki wiaiener «sles claleinisisinie-ale sles - 443 
Results of a Meteorological Journal kept at the Ohacrvalary of the moat 
demy, Gosport, in 1818. By thesame..........cssecesccecercceres 447 
’ Critical and Analytical Account of Recherches sur l’Identité des Forces 
Chimiques et Electriques.. Par Prof. Girsted (continued) ...... kee 450 
Proceedings of the Linnzan Society, March 2, 16, April 6, and 20...... 463 
Specific Heat of Fluids and Solids. ...... O ettaeiaiaveiere ais Maleaais, Cacemieana ibid. 
PRC ABC as 2 cals ven oles ccesuw cle se Goa ctapetictwa Semvcanecses nSeessaseete 464 
Iron Ore of the Isle of Elba............ Gaba edema vee na ons seas tc ibid. 
Yellow Oxide of Uranium of Autan, .......ccececcsecseeees git SA a3 «ibid. 
White Pyrites, or Radiated Pyrites...............0005 wis’ ofa /sseera ise NE eves 465 
Phosphate of Manganese of Limoges..,,...... setinanin sans wa cltte canirh ibid. 
BSIATEAAE MMO UANEZ vo traecns Sieleeis o sicls ole/afe.s wislaiicte asia Un cio ole eicietc e!cinieialvie sisids/s.6 ibid. 
On the Discovery of Bipersulphate of Iron. By C. Sylvester, Esq........ 466 
mower Platine.) By Mrs Boxe ies s1 Nev iev eee ne cine h a cevee tecesscs 467 
New Principle in the Seeds of the Cytisus Laburnum ...............065 468 
On Thermometrical Measurements of Heights, &c. By Mr. Murray.....ibid. 
Meteorological Observations-at Cork. By T. Holt, Esq.. ...........05- 471 
Inquiry respecting a Meteoric Phenomenon described by Dr. Clarke .... 472 
Notice of an Annular Eclipse in the Thirteenth Century. By the Rev. 
SP EMES) MALES IVE Mas 5 scteraltetaretetaiai ae Patstcfototoye'%e brat ctt’e aholelelcie'siaxa'sjslbiina biste «. 475 
Col. Beaufoy’s Magnetical and Meteorological Observations, for April... 476 
Mr. Howard's Meteorological Journal, March 19 to April 16 .......... 479 
Tndex...... Seber eer eeenes wesees ween erereneveres tesreectccccercccess ABZ 
