The Archæopteryx
Proterospongia
Volvox
Diagram of amœba
Genealogical tree of animals
A Diagram of a Stream of Meteors Showing the Earth Passing Through Them
A Map of the Chief Plains and Craters of the Moon
The Spectroscope, an Instrument for Analysing Light
Diagram Showing the Main Layers of the Sun
The comparative sizes of the sun and the planets
The Planets, Showing their Relative Distances and Dimensions
The Cause of Tides
Early Life-History of the Salmon
The walking-fish or mud-skipper (Periophthalmus)
Nautilus
A Grazing Bison, Delicately and Carefully Drawn, Engraved on a Wall of the Altamira Cave, Northern Spain
A Mammoth Drawn on the Wall of the Font-de-Gaume Cavern
The Skull and Brain-Case of Pithecanthropus
Skeletons of the Gibbon, Orang, Chimpanzee, Gorilla, Man
Surinam Toad (Pipa Americana) with Young Ones Hatching out of Little Pockets on her Back
An Eight-Armed Cuttlefish or Octopus Attacking a Small Crab
Skeleton of an Extinct Flightless Toothed Bird, Hesperornis
Triceratops - A Huge Extinct Reptile
Pariasaurus - An Extinct Vegetarian Triassic Reptile
Wing of a Bird, Showing the Arrangement of the Feathers