- The earliest discovered Trypanosome, described by Gruby in 1843
- Various species of Trypanosoma from the blood of mammals, birds, and reptiles
- A diagram showing the life-history and migration of the Malaria parasite
- Lankesterella ranarum (Lank.), the parasite of the red blood-corpuscles of the edible Frog
- The Number of the Chromosomes
- Diagrammatic representation of the structures present in a typical cell
- The unicellular parasite Benedenia, from the gut of the common Poulp or Octopus
- The young of the common Eel and its metamorphosis
- The Freshwater Jelly-fish of Lake Tanganyika
- The Freshwater Jelly-fish of Regent’s Park (Limnocodium Sowerbii)
- Trypanosoma Ziemanni, from the blood of the little owl
- Trypanosoma Ziemanni, from the gut of the gnat
- A Clever Humming-bird