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- Sound-making organs and ears of a conehead katydid
- Auditory organ of a katydid
- A bush katydid
- The oblong-winged katydid
- The angular-winged katydid
- The true katydid
- The katydid in various attitudes
- Sound-making organs of the katydid
- A conehead katydid
- The robust katydid
- The common meadow katy?did
- The handsome meadow katydid
- The slender meadow katydid
- The Coulee cricket
- Wings of a tree cricket
- A mole cricket
- The striped ground cricket
- The common black cricket
- The snowy tree cricket
- Antennal marks of the tree crickets
- The narrow-winged tree cricket
- A broad-winged tree cricket
- Back glands of a tree cricket
- The jumping bush cricket
- The common walking-stick insect
- A gigantic walking-stick insect
- A leaf insect
- The praying mantis
- A shield-bearing mantis
- Egg case ofa mantis
- Common household roaches
- Egg cases of roaches
- Young of the Croton bug
- The house centipede
- Wings of a cockroach
- A Paleozoic forest
- Fossil roaches
- Early fossil insects
- Machilis
- Dragonflies
- A young dragonfly
- A mayfly
- A young mayfly
- The relation of the germ cells and body cells
- External structure of an insect
- Leg of a young grasshopper
- Legs of a honeybee