12 
NOTES OF OBSERVATIONS 
few stems (also of Wheat) channelled by some species of Chlorops in a 
neglected, clayey field, near Isleworth,—the only returns. 
10. Cephus pygmeeus. Corn Sawfly. Not noticed. 
Cecidomyia Tritici. 
11. Cecidomyia Tritici. Wheat Midge, or Red Maggot. Is 
mentioned as unusually abundant at Knebworth, Herts, and unusually 
absent in Essex. It is observable that in Essex the chaff is used for 
cattle, consequently destroyed with its contents, whatever they may 
be; whilst the custom prevalent some few years ago (probably still), 
in some parts of the West of England, of throwing the chaff in heaps 
