XVII. The structure and life history of Psi/choda sexpunctata, Curtis. By J<scp>ohn</scp> A<scp>lexander</scp> D<scp>ell</scp>, B.Sc. Communicated by Prof. L. C. M<scp>iall</scp>, F.R.S., F.E.S.
Transactions of the Royal Entomological Society of London