PLATE 2 
EXPLANATION OF FIGURES 
Figs. 27 to 30 are drawn from semitransparent whole mounts. Leitz oe. 1, 
obj. 3, stage level. Figs. 31 and 32 are from sections of heads, Spencer oc. 6. 
obj. 16, stage level. All figures from Reticulitermes flavipes. 
27 Female reproductive organs of a worker, adult. The three fundaments 
of the reproductive system are not fused, either in this caste or in the soldier. 
28 Female reproductive organs of an adult soldier. 
29 Male reproductive organs of an adult worker. 
30 Male reproductive organs of an adult soldier. 
31 Section of the head of an adult worker. 
32 Section of the head of an adult of the third form. 
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