- Mysis relicta, One of the Mysidacea
- Munidopsis regia, a Deep-sea Galatheid from the Bay of Bengal
- Mimonectes loveni. A Female Specimen seen from the Side and from Below
- Meganyctiphanes norvegica, One of the Euphausiacea
- Mariahof Cow, Styria
- Manatee (Manatus Americanus)
- Lord Chesham's Shropshire
- Long Lost Found Again
- Llama
- Last Larval Stage of the Common Porcelain Crab
- Larval Stages of the Common Shore Crab
- Larval Stages of the Common Rock Barnacle (Balanus balanoides
- Lapwing ( Vanellus cristatus )
- Indian Elephant employed in a Timber yard, Moulmein
- Hyperia galba, Female
- Horizontal Section through the Right Eye
- Highly Magnified Section through the Wall of a Circumvallate Papilla of the Tongue, showing Two Taste-Bulbs.
- Hereford Bull, 'Tredegar'
- Heads of aye-aye, marmoset and East Indian Red Monkey
- Head of Indian Elephant
- Halicore Dugong
- Group of African Cattle
- Gnathophausia willemoesii, One of the Deep-sea Mysidacea
- Gills of the Lobster, exposed by cutting away the Side-flap of the Carapace
- Front Part of Body of a Prawn infected, parasites
- Front Part of Body of a Prawn infected, parasites
- Flock of sheep in Australia, under a large Eucalyptus
- First Larval Stage of the Common Lobster
- First Larval Stage of Munida rugosa
- European Lynx (Felis Lynx)
- Estheria obliqua, One of the Conchostraca
- Esquimaux Dog
- Eryon propinquus, One of the Fossil Eryonidea, from the Jurassic Rocks of Solenhofen
- Egyptian Plover (Crocodile Keeper or Crocodile Watcher)
- Dorset Ram
- Dissection of Male Lobster, from the Side
- Digestive system in humans
- Diastylis goodsiri, One of the Cumacea
- Diaptomus cœruleus, Female
- Diagram showing the Relative Positions of the Organs of the Chest and Abdomen.
- Diagram of a Lobule of the Liver
- Devon Yearling Heifer, shown at Croydon, 1875
- Daphnia pulex, a Common Species of Water-flea.- Female carrying eggs in the brood-chamber
- Cyclops albidus, a Species of Copepod found in Fresh Water
- Curlew ( Numenius arquatus )
- Cotswold
- Copilia quadrata (Female), a Copepod of the Family Corycæidæ
- Cirolana borealis
- Calocalanus pavo, One of the Free-swimming Copepoda of the Plankton
- Callianassa stebbingi (Female), a Sand-burrowing Thalassinid from the South Coast of England
- Bony skeleton of Hippopotamus
- Biceps Muscle in Action
- Bastard Gemsbok (Antilope leucophaea, Pallas
- Avocet( Recurvirostra avocetta )
- Asellus aquaticus, Female
- Argali (Ovis Poli)
- Angora Goats
- An Amphipod (Gammarus locusta)
- African Fat-Tailed Sheep
- A Woodlouse (Porcellio scaber), One of the Isopoda