ay ie . 
Oe 7 
Meee he j 2 
eee CNP) ad 
ee ER Ara wees Y ) f { 
OF THE 
a 
Me Ae 
tt VOL. XXX PART Il. _FOR a SESSION 1881-82 
CONTENTS. 
~~ 
g ; * ‘ Page 
Chapters on the Mineralogy of Scotland. Chapter Seventh.— Ores of Manganese, 
Iron, iireraseaty, crm Titanium, By Professor Heppir, . 7 . 427 
7 On the Nature of the Curves idee Stenson give the Imaginary Roots iF an 
oa _ Algebraic Equation. By Tuomas ae ascii MA. FE.RBS.E. (Plate 
z { alae iat . o. . 4 . . . . : 467 
" BA, Rev Coles, 0 Oxford. (Plates XXV. to XXVIL es aid ‘ S. 481 
“Further Researches among the Crustacea and Arachnida of the Carboniferous 
ef ~ Rocks of the Scottish Border. By B, N. Pxacu, A.R.S.M., F.R.S.E,, of the 
Wh jira cy Survey of Scotland. (Plates XXVIII. and XXIX.), . o OFL 
R eport on Fosuil Plants, collected by the Geological Survey of Scotland in Esk- 
oY dale and Liddesdale. ‘By Robert ae ‘(Plates XXX. to XXXIL),. 531 
Mirage ‘By Eaaterar Tax. (Plate XXXIIL Dy? ‘ vam «+ 551 
ie 1 y W. Percy Suapmy, £8, 80S (ur ee erg 
‘ bw 
fecuiine on Vegetable and bas Cells; their Structure, Division, and 
* History. By J. M. Maorartane, B.Sc. Communicated by Professor 
_ Dickson. (Plate XXXV.), : ; ‘ ' i i=) 
