DIRECTIONS TO THE BINDER FOR PLACING THE PLATES IN THE VOLUME. 
XVI. 
XVII. 
XVIII. | 
XIX. 
XX. 
XXI. 
XXII. 
XXIII. 
XXIV. 
Illustrating Professor Fleeming Jenkin’s Paper on the Application of Graphic 
Methods to the Determination of the Efficiency of Machinery. Part L, 
F ) Illustrating Additional Memoir on the Parallel Roads of Lochaber, by David 
Milne Home, LL.D., i ‘ 
\ Illustrating Professor Tait’s Paper on Knots, 
Illustrating Professor Heddle’s Paper on the Mineralogy of Scotland. Chapter 
The Felspars—Part I., 
f eeeings Mr Edward Sang’s Paper on the Curves produced by Reflection from 
a Polished Revolving Straight Wire, 
§ Illustrating Mr G. Carr Robinson’s Paper on the Solid Fatty Acids of Coco-Nut 
( i 
Illustrating Messrs C. C. Knott and J. G. MacGregor’s Paper on the Thermo- 
Electric Properties of Charcoal and certain Alloys, . 
Illustrating Professor Geikie’s Paper on the Old Red Sandstone of Western 
Illustrating Mr Alexander Macfarlane’s Paper on the Disruptive Discharge of 
Illustrating Messrs Alexander Macfarlane and R. J. 8S. Simpson’s Paper on the 
Discharge of Electricity through Oil of Turpentine, 
PAGE 
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