INDEX. 
Young (Dr. 8.) and Prof. W. Ramsay on 
a means of obtaining constant known 
temperatures, 928; on certain facts in 
thermodynamics, 7b. 
Zero of thermometers, methods of pre- 
venting change of, by age, G. M. 
Whipple on, 938. 
1257 
*Zoological literature, the record of, 
report on, 1056. 
Zoological station at Naples, report of 
the Committee appointed to arrange 
for the occupation of a table at, 466 ; 
report to the Committee by W. EK. 
Hoyle, 468. 
