- The bear stops and looks at us
- Polar bear and flip-up cap
- Owl
- Two owls
- Owl
- Comfort
- Polo's Sheep
- Elaphurus Davidianus
- Ailuropus Melanoleucus
- Rocky Mountain Sheep
- Bear and Monkey
- A tumbling Ape
- A Bear standing on his Head
- Tutored Bear.—XIV. Century
- Tutored Bear.—XIV. Century
- Electric Eel
- Simulium venustum
- Sepsis violacea; puparium and adult
- Section through a venom gland of Latrodectus 13-guttatus showing the peritoneal, muscular and epithelial layers
- Sarcoptes scabiei. Diagrammatic representation of the course in the skin of man
- Sarcoptes scabiei, male
- Sarcoptes scabiei, female
- Salivary glands of Notonecta maculata
- Reduvius (Opsicœtus) personatus
- Rasahus biguttatus
- Poison apparatus of a honey bee
- Piophila casei
- Pediculus showing the blind sac (b) containing the mouth parts (a) beneath the alimentary canal (p)
- Pediculoides ventricosus, female
- Otiobius (Ornithodoros) megnini, male. (a) dorsal, (b) ventral aspect
- Otiobius (Ornithodoros) megnini, head of nymph
- Notœdres cati, male and female
- Muscina stabulan
- Mandible of Scolopendra cingulata showing venom gland
- Lucilia cæsar
- Linguatula. (a) larva; (enlarged). (b) adult; (natural size)
- Life cycle of the malarial parasite
- Left spiracle of nymph of Argas persicus
- Left hand stigmata of the larvæ of muscoidea
- Larva of Simulium
- Larva of Fannia scalaris
- Larva of Anopheles
- Ixodes ricinus; male, ventral aspect
- Head of a spider showing poison gland (c) and its relation to the chelicera (a)
- Head and pronotum of (a) dog flea; (b) of cat flea; (c) of hen flea (d) Nycteridiphilus (Ischnopsyllus) hexactenus
- Xenopsylla cheopis, male
- Two common centipedes
- The yellow fever mosquito (Aëdes calopus)
- The Italian tarantula
- The cattle tick (Boophilus annulatus). (a) Female; (b) male
- Sting of a honey bee
- Some early medical entomology
- Dog flea
- Dipylidium caninum. The double pored tapeworm of the dog
- Dipylidium caninum. Rostrum evaginated and invaginated
- Dermanyssus gallinæ, female
- Harvest mites. (Larvæ of Trombidium)
- Epithelium underlying poison hairs of the larva of the browntail moth
- Epithelium underlying poison hairs of the larva of the browntail moth (larger scale)
- Eggs of Anopheles