lxx1 
Tatpor exhibited on behalf of J..J. Jorcny, Esq., forms of 
Heliconius showing the transition from erato molina Smith 
to erato chestertonn Hew. 
1. H. erato molina Smith. Venezuela. 
9. An aberration of molina with the band of the fore-wing 
partly obliterated. Venezuela. 
3. An aberration of molina with only a subcostal red dot 
on the fore-wing. Venezuela. 
4. Aberr. nocturna Riff.—Fore-wing with a subcostal 
yellow dot. Hind-wing with traces of a yellow discal band 
between vein 2 and the inner margin, on the underside ex- 
tending to the outer margin. Venezuela. 
5. H. erato chestertonii Hew. Colombia. 
Papers. 
The following papers were read :— 
“Mimicry of Ants by other Arthropods,” by H. Donis- 
THORPE, 
“ Erotylid Coleoptera,” by G. J. ARRow. 
It was decided not to hold the informal meeting 
provisionally arranged for the 15th June. 
Wednesday, October 5th, 1921. 
The Rt. Hon. Lord Roruscuitp, M.A., BRS; cette; 
President, in the Chair. 
The PRESIDENT announced that owing to the illness of Mr. 
H. Rowland-Brown, Dr. H. Eltringham, M.A., D.Sc., F.Z.8.; 
had kindly consented to act as joint Secretary for the 
remainder of the session. 
Gifts to the Society. 
The TREASURER called attention to two portraits that had 
been bequeathed to the Society by the late Dr.. Longstaff. 
A vote of thanks to Mr. J. J. Joicey, F.LS., HeZ8.. BORG. 
for his generous gift of a lantern to the Society was passed 
unanimously. 
