542 
JOURNAL OF ECONOMIC ENTOMOLOGY 
[Vol. 16 
a number of light wooden ones enclosed in a heavier wooden box and, 
of a size to fit the metal containers of the refrigerators. The large boxes 
were constructed of half inch stock and measured x x 22 
inches. Each one of these was fitted with six small boxes measuring 
3^2 x x inches, constructed of quarter inch stock. For conven¬ 
ience in removing the parasites and to guard against the escape of any, 
which might occur if it was necessary to remove the covers of these small 
boxes, an inch hole was bored in one side of each one. This hole was 
covered by tacking over it a square of tin which could be removed 
for the insertion of a glass tube when the shipment arrived. 
Fig. 7—Diagram of Refrigerator and Shipping Box Assembled (By Guild) 
The refrigerators received a very good testing the past summer from 
a shipment of Apanteies fulvipes from Japan. This species is a difficult 
one to ship over a long distance as its cocoon stage is only about six days, 
which makes proper refrigeration absolutely necessary. Boxes for 
shipment were constructed in Japan. Two of these were packed with 
