't , 



The next No. of this Jmrnal will he published on the first of Si 



CONTENT S. 



Art. I. On Certain Meteorological Coincidences ; by J. H. 



P^e. 



r 

 I 



LEXANDEB 



IL On a Method for distinguishing between Biaxial and Tniaxial 

 Crystals when in thin plates, — and the results of the exam- 

 ination of several supposed Uniaxial Micas ; by W, P. Blake 



IIL On some of the Thermal Waters of Asia Minor ; by Dr* 

 J. Lawrence SbiitHj • * - - . - - 



r 



IV. Uses of the Stillingia sebifera or Tallow Tree, with a no- 



» _ 



>" tice of the Pe-la, an Insect-wax of China, by D. J. Mac- 



GOWAN, M.D., 



V; 



Winter 



L«flte Champlain, 



F 



kDOGK ThOIUPSOK, 



1 »■ 



VI. On Coral Reefs and Islands ; by JAMi D. Dan.^ 



\ 



VIL A description of a new Sand -Bath with Water-Bath and Di§* 

 tilling Apparatus attached, erected ir> the Yale Analytical 

 Laboratory ; by Prof. John P, Norton, - - 



VIIL On Microscopes and Microscopy ; by W. I. Buknett, 



IX. On the Connection of Chemical Forces with the Polarization 

 of Light ; by Nevil Story Maskelyjne, Esq., M.A., 



X. On Atmospheric Magnetism ; by Prof. FakaHay, - ^ 



XI. On Eupyrchroite of Crown Point, New York; by Charles 



^ 



T, Jackson, M.D., 

 XIL On the Recent Condition of Kiiauea ; by Rev. C, S. Lyman, 



including a letter from Rev. T. Co 



t A* 



Lti 



On the causes of 



:^mep 



^-^ 



r Electricity in Plants, 



^"7 -. 



terrestrial uur>ats ; by M. BEC<5trEiiEL 



^—- h^^, p. Bond, 



■"^•^to 



.^^ 



o 



t>-v' Daniei KiKKwooi), A.M.. 



SCIENTIFIC INTELLIGENCE. 



1 



6 



10 



17 



22 

 25 





52 



56 



64 

 69 



L 



i 



3 



^ 



75 



83 

 97 



-aVRing; by Prof. B. Peiece, 106 



109 



Chemistry and Physks.-Rotation of the Plane ^f Polarfzation produced by the 

 Galvamc Current, ni.-Physical Demonstration of the Rotation of the Earth 

 by means of the Pe.ndulam, I12.-Equlvalent of Bismuth : Eqmvalent of Tung- 



iFor remainder of Contfnts, see third page of Cover.) 



1^ 



>l 



?■ 



J 



X, 





■■?- 



, 4 



