vi List of the Contributors. 
Hancock, W. 
On a new form of Tell-tale Clock (verbal communication),  . 
HWarpMan, Epwarp 'T., F.C.S. 
On the Barytes ‘Mines near Bantry. 
On Specimens of Barytes and Associated Minerals from Bantry 
(verbal communication), . r : & E ‘ 5 x 
See Hurz, Epwarp, F.R.S 
? b) 
Harkness, Rosert, F.R.S 
On Specimens of iaoee ase Rock from Cumberland (verbal com- 
munication), . : ; 2 ; ° ° : . : 
Haveuton, Rev. Samvuet, M.D., D.C.L., F.R.S. 
On the Limits of Geological ‘Time (verbal communication), “4 
On the Mineralogy of the Counties of Dublin and Wicklow, . 
Haveuntoy, J. W., Junr. 
On Nests of Mason-Bees from Rayal-Pindi, Ladakh (verbal. 
communication), . . ° . : : ‘ . é 
Hutt, Epwarp, M.A., F.R.S 
On the Oren and tiplarn Age of “ The Scalp,” on‘ the 
borders of Wicklow and Dublin, 
On the Discovery of Brine in the Valley of the Mersey at War- 
rington (verbal communication), . . 
On Specimens of Ornamental and other Stones from Typore, 
India (verbal communication), ° 2 . . . : 
Huy, Epwarp; F.R.S., and Harpmay, EK. T., F.C.S. . 
On the Nature and Origin of the Chert-beds in the Upper 
Carboniferous Limestone of Ireland. (Title only. Ordered 
for Transactions), . : : : : . : ° . 
Hunter, Samuen, F.R.A.S. 
On the various forms of Apparatus used for Polishing Specula for 
Reflecting Telescopes (with Woodcuts), . 2 : g ; 
Macauisrer, AvexanpeR, M.D., M.R.I.A. 
Notes on the Skeleton of an Aboriginal Australian, . i : 
On Nests of the Oven-Bird (Furnarius rufus) (verbal communi- 
cation), . : 
On the Skull of a F anti from West Africa (verbal communica- 
tion );)) 
On Totanus Haughtoni (Armstr ong), @ a new " species of Greenback 
from India (v erbal communication), : : ‘ . . 
Macxintosu, W. H., b.A. 
Note on the Microscopic Structure of the Scales of Amia calva 
(with two Plates), . ; ‘ . , ; ‘ , : 
Manninc, Rosert, C.E. 
On the Relation of Science to Practical Engineering (verbal 
communication), . $ . : : ss é : ‘ 
131 
131 
183 
131 
13] 
131 
93 
