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2. A comparison of the neck and prothoracic sclerites throughout the orders of insects;Crampton;Trans. Amer. ent. Soc.,1926
3. The eulabium, mentum, submentum and gular region of insects;Crampton;J. Ent. Zool.,1928
4. The growth and form of the head and antennae in the Earwig (F. auricularia Linn.);Henson;Proc. Leeds Phil. Lit. Soc.,1947
5. On the head capsule and mouth parts of F. auricularia Linn;Henson;Proc. R. ent. Soc. Lond. (A),1950