to an extended cable, 180; on the flow 
of, through circular pipes, 189 ; on the 
quantity of heat developed by, when 
rapidly agitated, 190; description of an 
apparatus for churning, id. 
Waterford, on certain alterations of level 
on the sea coast of part of the county 
of, 65. 
Wave-line system of ship-building, on 
the, 188, 
Weights, on the use of prime numbers in 
English, 174. 
_ Wetherhead (J.) on superheated steam, 
199. 
Weymouth Bay, on dredging in, 108. 
Whitehouse’s relay and induction coils in 
action on short circuit, on, 21. 
Williams (Cadogan) on deferred annui- 
ties, 172. 
Willich (Charles M.) on a formula for 
ascertaining the expectation of life, 
172; on annuities on lives, ib. 
Wilson (Prof. G.) on the processes for the 
detection of fluorine, 61; on the em- 
ployment of the living electric fishes as 
medical shock machines, 115. 
Wilson (James Moncrieff), on statistics 
of crime in Ireland, 1842 to 1856, 171. 
Wilson, Mount, in Ireland, on some skulls 
discovered in an ancient sepulchral 
mound near, 131. 
INDEX II. 
217 
Wind, on the effect of, on the intensity of 
sound, 22. . 
Wood (Edward) on the genus Woodo- 
crinus, 76. 
Woodocrinus, on the genus, 76. 
Woods (Dr. T.) on the time required by 
compounds for decomposition, 61. 
Wright (Dr. E. Percival), notes of a visit 
to Mitchelstown caves, 108. 
Wynne (A. B.) on the tertiary clay and 
lignite of Ballymacadam, near Caher, 
Co. Tipperary, 94. 
Wynne (A. W.) on the geology of the 
Galty mountains, 93. 
Yates (James) on a fossil cone, 95; ona 
cone from the greensand, 101; on the 
application of the decimal scale in the 
construction of maps, 172; on the use 
of prime numbers in English measures, 
weights and coinage, 174. 
Yorkshire, on the ironstone in the oolitic 
district of, 89. 
Zeuss, on the recent researches of, into 
the language of ancient Gaul, 154. 
Zooids of Comatula rosacea, on the re- 
productive, 108. 
Zoological relations of the Cambrian 
rocks of Bray Head and Howth, 75. 
Zoology, 101. 
