VI 
Contents. 
PAGE 
Strophanthus hispidus — continued : — Pharmacological Action. By 
Dr Thomas R. Fraser, . . . . . .743 
The Theory of Determinants in the Historical Order of its Develop- 
ment. By Thomas Muir, M.A., LL.D., .... 748 
On the Scalar Relations connecting Six Vectors . By the Rev. M. M. 
U. Wilkinson. Communicated by Professor Tait, . .773 
Report on Atmospheric Circulation, based on the Observations made 
on Board H.M.S. “ Challenger,” 1873-76. By Alexander Buchan, 
LL.D., . .786 
On the Stomach of the Narwhal ( Monodon monoceros). By G. Sims 
Woodhead, M.D., and Robert W. Gray, Esq. (With Four 
Plates), ........ 792 
Meetings of the Royal Society — Session 1888-89, . . . 807 
Donations to the Library, ...... 823 
Index, ........ 841 
