1. Field notes from Angola;Burr;Ent. Rec.,192829
2. Changes in wing pigmentation during the adult life of Acrididae;Burtt;Proc. R. ent. Soc. London (a),1944
3. Protective resemblance borne by certain African insects to the blackened areas caused by Grass Fires;Poulton;III Int. Congr. Ent. Zurich, July,1926
4. The insect cuticle;Wigglesworth;Biol. Rev.,1948