UL »o 
JOURNAL OF THE ROYAL MICROSCOPICAL SOCIETY. 
JUNE, 1922. 
CONTENTS. 
TRANSACTIONS OF THE SOCIETY . 
PAGE 
V. — The Morphology and Physiology of the Nucleolus. 
Part I. — The Nucleolus in the Germ-Cell 
Cycle of the Mollusc Limnjea stagnalis. By 
Reginald James Ludford, Ph.D. B.Sc. (Lond.), 
F.R.M.S., Dept, of Embryology and Histology, Uni- 
versity College, London. (Three Plates) 113 
YI. — The Microstructure of Coal from an Industrial 
Standpoint. By A. L. Booth, A.I.C. (Messrs. 
Armstrong, Whitworth & Co., Ltd.). (Two Plates) . . 151 
VII. — Note on a Trematode from Rainbow Trout. By 
W. Rushton, A.R.C.Sc., D.I.C., B.Sc. F.L.S. (Two 
Text-Figures) 161 
OBITUARY. 
Sir German Sims Woodhead, K.B.E., M.D., LL.D., F.R.S.(Edin.) 164 
Benjamin Moore, M.A., D.Sc., F.R.S 167 
SPECIAL NOTICES. 
THE ANNUAL CONVERSAZIONE of the Society will be held at the 
Examination Hall, 8 Queen Square, Bloomsbury, W.C.l, on Wednesday, 11th October, 
1922, from 7.30 to 10.30 p.m. Offers of assistance from Fellows of the Society who 
can bring exhibits will be greatly appreciated by the Hon. Secretaries. 
COPY OF THE CHARTER and the BY-LAWS OF THE SOCIETY, 
as revised at the Special General Meeting held on the 21st December, 1921, will be 
found at the .end of this Part. 
THE ROOMS OF THE SOCIETY will he closed for the Summer Vacation 
from the 21st August to the 16th September. 
THE TRADE DIRECTORY AND INDEX TO ADVERTISERS will be found 
on page 15. 
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