- Wild Beach plums
- Wild Beach plums
- Wild Cat shown at the Crystal Palace Cat Show, 1871
- Wild Goose
- Wild Swan
- Wildebeest
- Wilson’s Phalarope
- Wilson’s Snipe
- Wilson’s Warbler
- Wing of a Bird, Showing the Arrangement of the Feathers
- winged fruits of the maple
- Wise cat
- Witsenia maura
- Wolf
- Wolf
- Wolf Head
- Wolf Head
- Wolf pack
- Wolves
- Wolves hunting a deer
- Wolves running
- wood lily covered with underground leaves
- Wood Thrush
- Wood turtle
- Woodpecker
- Woodpecker drilling a hole for a nest
- Wounded Bison
- Wounded lion
- Wreathed Weaving Spider
- Xenopsylla cheopis, male
- Yak, from Asiatic Transactions
- Yak, from Oriental Annual
- Yellow Warbler
- Yellow-billed Cuckoo
- Yellow-breasted Chat
- Yellow-green biting adder
- Yellow-headed Blackbird
- Yellow-shafted Flicker
- Yellowthroat
- Young Cape Buffalo
- young corn plant
- Young female Bison
- Young Half-breed (Buffalo-Domestic) Bull
- Young Persian Kitten
- Young Specimen of an African River Crab
- Zamouse, or Bush Cow
- Zebra with young
- Zebra with young
- Zebu
- Zebu
- Zebu.—(Var. δ.)
- Zebus (var. γ) and Car
- Zerolene Ad