IX. <i>A Monograph of the British</i> Neuroptera‐Planipennia.

Abstract

In Boreus the wings are rudimentary. + In the large exotic Sialidw belonging to the genera Corydalis and Chauliodes, the antenne are often pectinated in the male, and the jomts of the tarsi are all filiform. the British Neuwroptera-Planipennia.