86 PROCEEDINGS OF THE CANADIAN INSTITUTE. 



IV. — Thermal (Continued). 



Specific lieat M of water = M of substance 1 



Latent heat M of water by 6 per M ... 6 



Rate of expansion, linear. L increment per L original per increment B—^ 



" " cubical. V increment per V original per 6 increment 6*— ^ 



Conductivity H per T per S per (9 per L) m 1-^ t— ^ 



V. — Electrical. 



Dimensions. 

 Quantity. Notation. Electro- Electro- 



static, magnetic. 



Magnetic pole i/F by L, P mUt t-^ 



Intensity of field F per P mi 1-* t"^ 



Magnetic potential W per P m* 1^ t~i 



Magnetic moment P by L . . m* ^f t~i 



Quantity of electricity .... "j/F by L, Q elect'static. . m* l'Jt~i . . 

 " " . . . . F per P by (L rad.)^ per 

 L arc by T, Q electro- 

 magnetic , . 



Intensity of electric field . . . F per Q m* 1— H" ^ 



Electric potential W per Q m' 1* t~^ 



Electric density Q per S mi 1—4 1— ^ . 



Electric Capacity Q per (W per Q) 1 . 



Current Q per T m* it t" 



Resistance W per Q per (Q per T) . . 1-^ t . 



Conductivity of a substance. Q per T per S per (W per 



Q per L) 



Messrs. Livingstone and Macdougall made some remarks 

 and the President noted the small attendance of those able 

 to discuss the subject of the paper as a reason for dividing the 

 Institute into sections. 



TENTH ORDINARY MEETING. 



The Tenth Ordinary Meeting of the Session i884-'85, was 

 held on Saturday, January 17th, 1885, the President in the 

 Chair. 



The minutes of last meeting were read and confirmed. 



The following list of Donations and Exchanges received 

 since last meeting was read : — 



1. Catalogue of Canadian Plants, Part II., Gamopetalae, by John Macoun, 

 M. A. 



