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- A Frog
- Phronima colletti, Male. From a Specimen taken in Deep Water near the Canary Islands
- The 'Fairy Shrimp' (Chirocephalus diaphanus)
- Tarantula Apuliae
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Fifth Stage
- Mysis relicta, a small shrimp-like Crustacean
- The Italian tarantula
- Dancing Mania
- Beetle louse
- Garden spider
- Larval Stages of the Common Shore Crab
- Head of a spider showing poison gland (c) and its relation to the chelicera (a)
- Notœdres cati, male and female
- Epithelium underlying poison hairs of the larva of the browntail moth (larger scale)
- Turtle
- Larva of Anopheles
- Various species of Trypanosoma from the blood of mammals, birds, and reptiles
- Cyclops albidus, a Species of Copepod found in Fresh Water
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Full grown
- A solpugid (Eremobates cinerea)
- Munidopsis regia, a Deep-sea Galatheid from the Bay of Bengal
- Conorhinus sanguisugus
- Conorhinus abdominalis
- Demodex folliculorum
- Locust
- Eggs of Anopheles
- Long-tailed thread scorpion
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Third Stage
- The Savage Florida Alligator
- Pediculoides ventricosus, female
- Cærostris Mitralis, in profile
- Daphnia pulex, a Common Species of Water-flea.- Female carrying eggs in the brood-chamber
- Some early medical entomology
- Frog
- The earliest discovered Trypanosome, described by Gruby in 1843
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Just before the second moult.
- Chinch Bug
- The cattle tick (Boophilus annulatus). (a) Female; (b) male
- Thaumastocheles zaleucus
- Diastylis goodsiri, One of the Cumacea
- Young Specimen of an African River Crab
- Gnathophausia willemoesii, One of the Deep-sea Mysidacea
- Culex sollicitans. Female
- First Larval Stage of the Common Lobster
- A diagram showing the life-history and migration of the Malaria parasite
- A Lamprey
- Diaptomus cœruleus, Female
- Common Water Spider
- Mysis relicta, One of the Mysidacea
- Ixodes ricinus; male, ventral aspect
- Larval Stages of the Common Rock Barnacle (Balanus balanoides
- Wreathed Weaving Spider
- Gills of the Lobster, exposed by cutting away the Side-flap of the Carapace
- The Caterpillar of the Elephant Hawk-Moth (Chærocampa elpenor). Second Stage
- Asellus aquaticus, Female
- Copilia quadrata (Female), a Copepod of the Family Corycæidæ
- The Sea-slater (Ligia oceanica)
- Cordylobia anthropophaga
- The Common Shrimp (Crangon vulgaris)
- Thirteen-Spotted Lady Beetle