22 ANIMAL ACTIVITIES. 
Other Insects. Eggs of spiders are easily found in 
winter. They should be kept in tumblers and watched. 
Nests of paper-making wasps are interesting. They 
often contain sleeping queens waiting for a higher tem- 
—— 
Z Dyfi 
ee 
Fic. 31.—A Wasp’s Nest. Fic. 32.—Cocoon of Cecropia. 
From a Photograph. 
perature in order to start other colonies. Insects in 
various stages of metamorphosis pass the winter hidden 
away from birds and other enemies. Locality and cir- 
cumstances must determine what sort of specimens 
pupils should search for. With the advent of spring 
one can obtain nearly, if not quite, all the specimens 
already mentioned as obtainable in the fall. 
