Fourth Series. Vol. 4 : No. 2- 



MEMOIRS AND PROCEEDINGS 



OF 



THE MANCHESTER 



LITERARY & PHILOSOPHICAL 



SOCIETY. 



1890-91. 



CONTENTS. 



Proceedings PP. 31. 33» 36 



Microscopical and Natural History Section - - pp. 28, 35 



Phjrsical and Mathematical Section - - - - - P- 30 



Memoirs : — 



On the determination of the Thermal Conductivities of 

 bad conductors. By Charles H. Lees, M.Sc, Bishop 

 Berkeley Fellow of Owens College. Communicated 

 by R. F. Gwyther, M.A. P- 17 



On the Specific Heat of Non-conductors. Part i : 

 Caoutchouc. By W. W. Haldane Gee, B.Sc, 

 F.C.S., and Hubert L. Terry, F.I.C. - - - p. 38 



On the Entomostraca and Annelida in the Levenshulme 

 Mottled Limestones. By Wm. Brockbank, F.L.S., 

 F.G.S. P- 47 



General, Morphological, and Histological Index to the 

 Author's Collective Memoirs on the Fossil Plants of 

 the Coal Measures. Part i. By William Crawford 

 Williamson, LL.D., F.R.S., &c., Foreign Member 

 of the Royal Swedish Acad. Sc, and of the Royal 

 Society of Gottingen - - - - - - -p. 53 



MANCHESTER: 

 36, GEORGE STREET. 



{price ^wo SbilUngs. 



