- Zebus (var. γ) and Car
- Zebu.—(Var. δ.)
- Zebu
- Zamouse, or Bush Cow
- Young female Bison
- Young Cape Buffalo
- Yak, from Oriental Annual
- Yak, from Asiatic Transactions
- Wounded Bison
- Witsenia maura
- was glad ... that she had not died elsewhere
- Warty Hermit-Crabs
- Violacea Butterfly
- Venus’s Fly-trap
- Two kittens playing on a suitcase
- Two kittens playing
- Two kittens play fighting
- Two kittens
- Two dogs
- Two dogs
- Two dogs
- Two dogs
- Tulbaghia violacea
- Trypanosoma brucei
- Topography of a Bird
- Tiger
- Thomas
- There was a useless battle
- The Sangu, or Abyssinian Ox
- The Rhesus and Entellus. (1 Kings 10. 22)
- The Lion and his Den. (Ezek. xix. 2)
- The Human brain
- The human brain
- The house or typhoid fly (Musca domestica)
- The Horse
- The field-mouse (Apodemus sylvaticus)
- The Cow
- The Calf
- The Bison
- The Badger (Exod. 26 14)
- Syrian Ox
- Swans
- Streptocarpus Dunnii
- Stomoxys calcitrans - adult, larva, puparium and details
- Stomias Boa. From a depth of 1,900 metres
- Stomach of Manilla Buffalo
- Star-fish Opening an Oyster
- Stapelia Gettleffii
- Spirochæta gallinarum. After Hindle.
- Snooks
- Skull of Short-nosed Ox of the Pampas
- Skull of Domestic Ox
- Skin Canoes of the Mandan Indians
- Sitting dog
- Sicyonis crassa
- Short-horned Bull
- She passed deliciously dreamy days
- Shady and sheltered Dell
- Seventeen-year Cicada
- Senecio stapeliaeformis