- Poison apparatus of a honey bee
- Rasahus biguttatus
- Reduvius (Opsicœtus) personatus
- Salivary glands of Notonecta maculata
- Sarcoptes scabiei, female
- Sarcoptes scabiei, male
- Sarcoptes scabiei. Diagrammatic representation of the course in the skin of man
- Section through a venom gland of Latrodectus 13-guttatus showing the peritoneal, muscular and epithelial layers
- Sepsis violacea; puparium and adult
- Simulium venustum
- Centipede
- Chrysalis of Tomato Worm
- Chinch Bug
- Thirteen-Spotted Lady Beetle
- The Caterpillar of the Eyed Hawk-Moth (Smerinthus ocellatus)
- The Caterpillar of the Marbled White Butterfly (Arge galathea)
- 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 Elephant Hawk-Moth (Chærocampa elpenor). Fourth 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). Second Stage
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). First stage
- The Caterpillar of the Small Elephant Hawk-moth (Chærocampa porcellus)
- Cærostris Mitralis
- Cærostris Mitralis, in profile
- Flea
- Bees
- Every good mother should be the honored queen of a happy family
- Syrian Ants