CONTENTS. 
<^ 
Some Whydahs in My Aviaries By W. Shore Baily. 
^ Observations on Some Hybrids of the Ploceidae By A. Decoux 
Field Notes from Mashonaland By Guy Falkner, F.Z.S. 
A Yorkshire Aviary By H. Carr Walker. 
Editorial. 
Post Mortem Reports. 
Inset. 
POST MORTEM EXAMINATIONS. 
^ 
A Report will appear in next issue of *' B.N." and memben are 
requested to only ask for a reply per post in cases of virgency. 
RULES. 
{1) A short account of the illness should accompany the specimeii. 
All birds to be sent as fresh as possible to 
Dr. N. S. Lucas, 
The Proeeetorium, 
The Zoological Society, 
Regent's Park, London, N.W., 8. 
^) Should any member require an immediate reply per post, a stamped 
addressed envelope must be raelosed vrith the bird. 
<t) No body or skin of any bird will be returned under any ciraum- 
•ianoea whateT«r. 
