glands at the inferior surface of the tongue, 
83. 
Wales, moral and educational statistics of, 105. 
» progress and character of popular edu- 
cation in, 102. 
, on the relative position of the various 
qualities of coal in the coal measures of 
South, 65. 
, on the subsidences which have taken 
place in the mineral basin of South, 71. 
, on the great anticlinal line of the mineral 
basin of South, 75. 
Ward (W. S.) on a galvanometer, 62. 
on the electromotive force, dynamic 
effect, and resistance of various voltaic com- 
binations, 62. 
on a new mechanical arrangement for 
communicating signals and working breaks 
on railways, 121. 
Waves, on the lengths and velocities of, 38. 
Westminster (The Dean of ), map of part of 
North Wales, with sketches of rocks in the 
+ valleys around Snowdon, and indicating 
the former existence of glaciers in these 
valleys, 78. 
—,, letter from the Rev. Dr. Moberley to, on 
' a large plesiosaurus discovered in the lias at 
the alum-works at Kettleness, 78. 
Werne (Ferdinand) on the sources of the 
White Nile, 78. . 
_ Wheatstone (Prof.) on a means of determining 
the apparent solar time by the diurnal 
changes of the plane of polarization at the 
north pole of the sky, 10. 
—, extracts from a letter to, from Dr. 
Hooker, being meteorological and other 
INDEX II. 
137 
phenomena observed at various places in 
India and Egypt, 17. 
Whewell (Rev. Dr.), letter to, on the length 
and velocities of waves, 38. 
Whishaw (Francis) on the chemical compo- 
sition of gutta percha, 62. 
on the application of gutta percha to 
the arts and manufactures, 122. 
on the “ Uniformity of Time” and other 
telegraphs, 123. 
on the subaqueous rope for telegraphic 
and other purposes, 123. 
on the patent multitubular pipes and 
panergous joints, 123. 
on the improved velocentimeter, 124. 
on the telekouphonon, or speaking tele~ 
graph, 125. 
Wicklow, on the geology of the county of, 71. 
Williams (Rev. D.) on the geology of Lundy 
island, 79. 
Williams (Dr. T.) on the physical conditions 
regulating the vertical distribution of ani- 
mals in the atmosphere and the sea, 83. 
on the structure and functions of the 
branchial organs of the Annelida and Crus- 
tacea, 83. 
Williams (Archdeacon) on the Gael, Breton, 
and Cymry, 101. ; 
Williams (Cadogan) on the desirableness of 
extending to the working classes the op- 
portunity of purchasing deferred annuities, 
as a provision for old age, 105. 
Williamson (W.C.) on Polystomella crispa 
and the classification of foraminifera, 125. 
Zoology, 79. 
THE END. 
