- Xenopsylla cheopis, male
- Wreathed Weaving Spider
- Wandering Crab Spider
- Violacea Butterfly
- Upper Side of Epeira Vulgaris
- Two common centipedes
- Two birds watching a bug
- Trypanosoma brucei
- Thirteen-Spotted Lady Beetle
- The yellow fever mosquito (Aëdes calopus)
- The Pursuit
- The Locust
- The Italian tarantula
- The house or typhoid fly (Musca domestica)
- The common round-web spider, Epeira vulgaris of Hentz (Under Side)
- The cockroach mite
- The cattle tick (Boophilus annulatus). (a) Female; (b) male
- The Caterpillar of the Small Elephant Hawk-moth (Chærocampa porcellus)
- The Caterpillar of the Marbled White Butterfly (Arge galathea)
- The Caterpillar of the Eyed Hawk-Moth (Smerinthus ocellatus)
- 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). Just before the second moult.
- 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). First stage
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Fifth Stage
- Tarantula Apuliae
- Tarantula
- Syrian Ants
- Stomoxys calcitrans - adult, larva, puparium and details
- Sting of a honey bee
- Stethaspis suturalis - Larva
- Stethaspis suturalis
- Staphylinus oculatus
- Stages of the Diamond-back Moth
- Spirochæta gallinarum. After Hindle.
- Spiny Spider
- Spiderweb
- Some early medical entomology
- Simulium venustum
- Seventeen-year Cicada
- Sepsis violacea; puparium and adult
- Section through a venom gland of Latrodectus 13-guttatus showing the peritoneal, muscular and epithelial layers
- Section of Epeira Vulgaris
- Sauvage's Mason Spider
- Sarcoptes scabiei. Diagrammatic representation of the course in the skin of man
- Sarcoptes scabiei, male
- Sarcoptes scabiei, female
- Salivary glands of Notonecta maculata
- Representative Protozoa associated with cockroaches
- Relationship between a mature plant of Herpomyces stylopygae and the integument of Blatta orientalis
- Reduvius (Opsicœtus) personatus
- Rasahus biguttatus
- Pupa of flea
- Pulex irritans, female
- Pterostichus opulentus - Larva
- Pterostichus opulentus
- Pseudargiolus Butterfly
- Protozoa from the gut of the wood-feeding cockroach