46 Second Report on Economic Zoology. 
wrinkled and curled up. Some died oft’, others gradually assumed 
a more normal appearance. In no case did the blossom buds open 
fully. The blossom was irreparably damaged. The trees recovered 
a, Normal apple leaves ; b, attacked by Psyllee. 
later in the season, partly owing to the excessive rain, but pro- 
duced no fruit. The larvae and pupae, after the buds had well 
opened, lived freely on the leaves, usually choosing the under 
