- Two horses looking at their food
- Two kittens
- Two kittens play fighting
- Two kittens playing
- Two kittens playing on a suitcase
- Two owls
- Two puppies and a cat
- Two Species of Caprellidæ
- Two toads
- Two wolf pups
- Two Wolves
- Two-humped Camel
- Two-year old Southdown sheep
- Unio Batava
- Unusual Long Haired Cat
- Upland Plover
- Upper Side of Epeira Vulgaris
- Various species of Trypanosoma from the blood of mammals, birds, and reptiles
- Venice, 1496, showing the ventricles of the brain
- Venus’s Fly-trap
- Vertical section of the skull, showing the sinuses of the dura mater
- very Light Blue Tabby, 'Sylvie'.
- Vesper Sparrow
- Vicuña
- Violacea Butterfly
- Violets
- Viper
- Virginia Deer
- Volvox
- Vulture Buzzards
- Wading Birds
- Wall gecko
- Walrus skull, showing the powerful canine teeth
- Walrus, showing the upper incisors in the form of tusks
- Wandering Crab Spider
- Warbling Vireo
- Warty Hermit-Crabs
- was glad ... that she had not died elsewhere
- Wasn't me
- Wasp thief
- Water flea
- Waterbok (Antilope [Kobus] ellipsprymna, Ogilby)
- Waterbuck
- Well-marked Silver Black-banded Tabby
- What is it
- White Angora
- white baneberry
- White cat - prize winner in 1879
- White Cat, winner of many prizes
- White Pelican
- White Persian 'Miss Whitey'
- White Persian 'Tim'
- White Persian - 'Lambkin 2'
- white potato
- White-banded Mocking-Bird
- White-breasted Nuthatch
- White-Capped Tanager
- White-crowned Sparrow
- White-Eared Antelope (A. leucotes), Male, Central Africa
- White-tailed Eagles