- Bird on a flower
- Thelemark cows of Norway
- Owl 2
- Bird
- Ducks Swimming (2)
- Black Mallards
- Woodpecker
- Black Mallard Ducks
- The Swarm spirit
- Bird 2
- Owl
- Bird 3
- Bird 4
- Mouth-parts of Honey Bee
- Two toads
- Pear
- Bees on apple blossoms
- A Toad
- Rose Hip cut lengthwise to show the seeds
- Apple Flower
- A frog eyeing his lunch
- A frog
- Apple cut lengthwise
- Apple cut crosswise
- Frogs
- Jack-in-the-pulpit
- berries of the bittersweet
- Apples
- Pear cut lengthwise
- A Rose hip
- Wild Beach plums
- Fresh-Water Hydra
- Chætosoma scaritides
- Grass border
- Colymbetes rufimanus - Larva
- cherry blossom cut open
- dandelion seedbox
- Burdock
- Body of an insect
- Pterostichus opulentus
- Staphylinus oculatus
- Oral and digestive system of Deinacrida megacephala
- Indian cucumber root
- Stethaspis suturalis - Larva
- Star-fish Opening an Oyster
- Cherry Flower 2
- Pterostichus opulentus - Larva
- Dryocora howittii - Larva
- Chokeberries
- Dorcus punctulatus
- Colymbetes rufimanus
- barberries
- berries of the bittersweet
- Apple
- Dryocora howittii
- Milkweed plant
- Low at our feet are the red ones of the wintergreen
- Cherry flower
- Cicindela tuberculata
- white baneberry