86 PROCEEDINGS OF THE CANADIAN INSTITUTE. 
IV.—Thermal (Continued). 
Specific heat ........... M of water=M of substance ............ 1 
Inafentibeat 72 %.j.7)-.- ee Mot water by Oper'M  ..0%..2200 20s 6 
Rate of expansion, linear. L increment per L original per 0 increment Ome 
3 ye cubical. V increment per V original per 0 increment fl 
Conductivity .......... Hi per IT per'S"per (© perl). --....--e- mitt 
V.—Electrical. 
DIMENSIONS. 
QUANTITY. NOTATION. Electro- Electro- 
static. magnetic. 
Magnetic pole ............ Wk byalig Pee oer mé 13 t— 
Intensity of field.......... Hyper Pain... tose mi ]+¢ 
Magnetic potential ...2..4:.)Wiper Be. : sa.f.28 ayes mi | ¢—1 
Magnetic moment ........ LP aha OF i Sea rrr m 1342 
Quantity of electricity .... 1/ F by L, Q elect’ sintes mi? 13t—.. 
ce oi .... F per P by (L rad.)? per 
L are by T, Q electro- 
MAPQNIELIC. -- <1s Aes mi 1} 
Intensity of electric field... F perQ ....:-..2.-.5-. mi l7t-.. milit 
Electric potential ......... Warner (eto...) ose mi lit—.. mil? me 
Hléectric density .:-2.4.2.. Qipier Nese canna steer mt lst m? |~2 
Electric Capacity ......... Q per (W per Q)........ is ag 
(OMELGHD 02 sh Sa L Eee! LMS ses eee aaa mil?t—.. milit— 
Bepintanees 6012 els oon W per Q per (Q per T) lt tics 
Conductivity of a substance. Q per T per S per (W per lain 
GQ) pergliy) 5.5 ts. erie 
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 1884-'85, was 
held on Saturday, January 17th, 1885, the President in the 
Chair. 
The minutes of last mecting 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. 
