>R. A. 
•hiladelpu 
OL 467 
. P12 
pi. 10 
Copy 1 
DIVISION FIRST. 
HALF-HOURS WITH INSECTS. 
TWELVE PARTS. 
PART IO. 
PRICE 25 cts. 
Insects as Architects. 
. F 
By A i S. PACKARD, JR., 
EDITOR OF “THE AMERICA* NATURALIST;** AUTHOR OF “GUIDE TO THE STUDY OF INSECTS. 
“ OUR COMMON INSECTS,” &C. 
BOSTON : 
ESTES & XjA_TTE^TA_T, 
143 Washington Street. 
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