- Free Martin
- Freesia refracta
- Fresh-Water Hydra
- Freshly hatched larva of Julus multistriatus
- Frustrated
- Gardenia globosa
- Gaur
- Gayal, from Asiatic Transactions
- Gerbera Jamesoni
- Gladiolus psittacinus
- Gladiolus Rehmanni
- Globigerina ooze
- Gourds
- Gyall (Bos Frontalis)
- Haemanthus natalensis
- Head of Asseel Gayal
- Head of Cape Buffalo
- Head of Domestic Gayal
- Head of Gaur
- Head of Gyall
- Head of Manilla Buffalo—female
- Head of Mus decumanus
- Head of Mus rattus
- Head of Musk Ox
- Head of young male Bison
- Heads of Mammiferous Animals
- Heads of Quadrupeds
- Herefordshire Cow
- Herring Gull, Breeding Plumage
- Horned Grebe, Winter Plumage
- Horns of Young Arnee
- horse
- House-builder Moth
- How the calf was fed
- Hungarian Ox
- Hunting Dog
- Hypobythius calycodes
- In company of the everlasting tortoise
- Indian Hunting Bison
- Italian Buffalo
- Jimmie
- Jungly Gau
- Kitten
- Kitten and dragonfly
- Kitten climbing
- Kitten laying down
- Kitten looking down
- Kitten practicing a snarl
- Kitten thinking
- Kitten with paw out
- Kitten with paw up
- Kyloe, or Highland Ox
- Larva of a flesh fly (Sarcophaga) - Caudal aspect - Anterior stigmata. Pharyngeal skeleton
- Larva of Auchmeromyia luteola
- Larva of Pulex irritans
- Larva of Xenopsylla cheopis
- Leaf-Cutter Bee at Work
- Lepismas at Work
- Leucadendron Stokoei
- Leucadendron Stokoei