VIU 



CONTENTS 



Page- 



391 



w 



393 



394 



32. Minerals not yet described in the common systems of min- 



eralogy, --.-.-^- 



33, 34, 33, Notice of an irised Aurora Borealis — Reliquiae Dilu- 



vianaB — Antediluvian human remains, ^ - . 



36 37. Heidelberg collections of geological specimens^ — Cements 



for ir.on water pipes, ^ - - . , - 



38, 39. Potatoe cheese — On the supposed influence of magnet- 

 ism in the phenomena of chemic^} cpmbinations and prys- 

 t£^lJizgtions, *--^.<p^- 



40. Animal putrefaction, • - - ^ - - - 



41. On the dark precipitate of platina of Ed. Pavy, and on the 



property of spongy platina, - , . ^ - 



42. 43. Reduction of nitrate of silver — Flesh of young calves, 400 



44, 45. Cloth of amianthus — Charlatanism, - - - 401 



46, 47. Chemico-magnetism — Analysis of pollen, - - 402 



48. On metallic decompositions by phosphuretted hydrogen gas, 403 



49, 50. On the treatment of siliceous minerals by carburetted al- 



kalies — Change of color in the wood of cert^ifl tr^es, 404 



395 

 397 



398 



ERRATA.— Vol. XVJill. 



Page 138, line 13 from top, for Gienofleiche read Geinsfleiche. 



17 " " for blocks read blacks. 



12 from bottom, for^re^en^ re^d presented. 

 145, " 11 from top, for a fish, read the fist, 

 147, Art. 8 is substantially repeated on page 15^. 



Correction. 



t€ 



CC 



it 



CC 



« 



CC 



Page 64, line 12 from top, after xtnd, read except being below, 

 <fi « it 3 from bottom, for dividingy read multiplying^ and after 6y, read 



150 and dividing by. 



Rev. Saves Gazlay, of Salem Bridge, Waterbury, Conn, is the author of the 



article 



(— 



