11 
PAGE 
Notices of some Ancient Sculptures on the Walls of Caves 
in Fife. By Professor J. Y. Simpson, . . 521 
Observations on New Lichens and Fungi from Otago, 
New Zealand. By Dr Lauder Lindsay, . . 527 
Orthogonal Isothermal Surfaces. By Professor Tait, ,528 
Donations to the Library, . . . .529 
Monday, 16th Ja7iuary 1866. 
Notes for a Comparison of the Glaciation of the West of 
Scotland with that of Arctic Norway. By Archi- 
bald Geikie, Esq., F.B.S., . . . 530 
On the Third Co-ordinate Branch of the Higher Calculus. 
By Edward Sang, Esq., . . . .556 
Donations to the Library, .... 557 
Monday, 6th February 1866. 
On the Laws of the Fertility of Women. By J. Matthews 
Duncan, M.D., . . . . .559 
On the Classification of Chemical Substances by Means of 
Generic Badicals. By Dr Alexander Crum Brown, 561 
Note on the Compression of Air in an Air-bubble under 
Water. By Professor Tait, . . .563 
On some Geometrical Constructions connected with the 
Elliptic Motion of Unresisted Projectiles. By Pro- 
fessor Tait, . . . . .565 
On the Fairy Stones found in the El wand Water, near 
Melrose. By Sir David Brewster, K.H., F.R.S., . 567 
Donations to the Library, . . . .571 
Monday^ l^th February 1866, 
Report on the Hourly Observations made at Leith Fort in 
1826 and 1827, by Direction of the Society. By 
Sir David Brewster, K.H., D.C.L., F.R.S., &c., . 573 
On a New Property of the Retina. By Sir David Brew- 
ster, K.H., D.C.L., F.R.S., «Sic., . . .573 
On some Laws of the Sterility of Women. By J. Mat- 
thews Duncan, M.D., . . . .574 
On certain Points in the Morphology of Cleft Palate. By 
John Smith, M.D., F.R.C.S.E. Communicated by 
William Turner, M.B., . . . .575 
[For continuation of Contents, see pp. 3 and 4 of Cover. 
