The SciencesSeptember 24, 1870
The Spider
Stories by Edward C. H. Day
The SciencesSeptember 17, 1870
The Scarabids--The Flower Beetles and their Allies
The SciencesSeptember 3, 1870
The Scarabæids
The SciencesAugust 27, 1870
The Migratory Locusts and their American Cousins
The SciencesAugust 20, 1870
The Orthopters--The Grasshoppers and their Allies
The SciencesAugust 13, 1870
The Leaf-Cutter Bee
The SciencesJuly 9, 1870
The Butterfly
The SciencesJuly 2, 1870
Tussock-Moths
The SciencesJune 18, 1870
The Scorpion
The SciencesJune 11, 1870
The Cockchafer and its Ravages
The SciencesJune 4, 1870
The Cockchafer and its Ravages