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The interior of an ant nest, or formicary. The pupae are in the lower chamber, then the mature larvae,and the top holds young larvae and eggs.

Ant Nest

The interior of an ant nest, or formicary. The pupae are in the lower chamber, then the mature larvae,and…

"A, small mound of earth thrown up by the queen when starting her formicary; x, entrance; z, first chamber; A', same nest in section." -National Geographic, 1912

Ant-Hill Stage 1

"A, small mound of earth thrown up by the queen when starting her formicary; x, entrance; z, first chamber;…

"C, dome of adult colony; C', section of same showing galleries and chambers used for incubation of the young." -National Geographic, 1912

Ant-Hill Stage 3

"C, dome of adult colony; C', section of same showing galleries and chambers used for incubation of…

"The 'replete' workers, with their social stomachs distended with the sweet exudations of oak galls, hang from the vaulted roof of the chamber in a cluster and function as so many food reservoirs." -National Geographic, 1912

Replete Ants

"The 'replete' workers, with their social stomachs distended with the sweet exudations of oak galls,…