- African Okapi
African Okapi - Rhinoceros
Rhinoceros - lioness
Lioness - Lion
- Lion
Male lion - sleeping lion
Male lion sleeping - Skeleton of Horse
- Cærostris Mitralis, in profile
- Cærostris Mitralis
- The Caterpillar of the Small Elephant Hawk-moth (Chærocampa porcellus)
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). First stage
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Second Stage
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Just before the second moult.
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Third Stage
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Fourth Stage
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Fifth Stage
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Full grown
- The Caterpillar of the Eyed Hawk-Moth (Smerinthus ocellatus)
- The Caterpillar of the Marbled White Butterfly (Arge galathea)
- King Snake
- Rainbow Darter
- Long-eared Sunfish
- Bat
Bat - Sleeping Bat
- Nest of Phœbe
- Nest of Red-eyed Vireo
- Baltimore Oriole and Nest
- A Wolf
- Nest of the Chicadee
- Chipmunk
- Turtle
Turtle - A Lamprey
- Chinch Bug
- Thirteen-Spotted Lady Beetle
- Pouched Frog
- The Surinam Toad
- Chrysalis of Tomato Worm
- Centipede
- Trout
Trout - Female Stickleback Laying Eggs in Nest
Female Stickleback Laying Eggs in Nest - Male Stickleback Watching Eggs in Nest
Male Stickleback Watching Eggs in Nest - Female Stickleback about to Enter Nest
Female Stickleback about to Enter Nest - Hand of Gorilla, Orang, Gibbon, and Chimpanzee
- Head of Orang-Utan
- chimpanzee
- Gorilla
- tadpoles
- Frog
- A Frog
- Rooster
- Cat and three kittens
Cat and three kittens - Cat and Kitten
Cat and Kitten - Cat and five kittens
Cat and five kittens - Affection
Affection - Two cats
Two cats - Two cats running
Two cats running - Sleeping Cat
Sleeping Cat - Kitten Playing
Kitten Playing - Kitten playing with ball
Kitten playing with a ball - Cat on an old book
Cat on an old book