1 Table of Contents: “...1 Introduction -- 2 Insects and Human Affairs -- 3 DDT and the Balance of Nature -- 4 Science, Pure...”

2 Table of Contents: “...: Perspective -- 21 Circannual Systems -- 22 Insect Photoperiodism -- 23 Photoperiodism in Vertebrates -- 24...”

3 Table of Contents: “... and Molecular Studies of Neurons That Express FMRFamide-Related Genes in Insects -- The Role of RNA Splicing...”

4 Table of Contents: “... by a Photosensitized Reaction in RNA of Insect Embryos (Smittia Spec.) -- Molecular Aspects of Error...”

5 Table of Contents: “... in insect development; malate dehydrogenase isoenzymes of the chicken embryo. Isocitrate dehydrogenase...”

6 “...­ collecting, social insects such as the ants, bees, and wasps can well be regarded as one of the major...”