SUGGESTION OF A GENEALOGICAL TREE OF ANIMALS 



1: A plant, indicating that the roots of this animal genealogical tree are con- 

 nected with those of a corresponding plant genealogical tree. 2: Foraminifer, 

 with threads of living matter. 3: Another Rhizopod Protozoon. 4: A parasitic 

 Sporozoon. 5: Noctiluca, a luminescent Infusorian. 6: The Bell-Animalcule. 2-6 

 are unicellular animals,— Protozoa. 7: Crumb-of-Bread Sponge. 8: Sea-Anemone. 

 9: Jellyfish. 10: Leech. 11: A ringed worm or Annelid. 12: A Brittle-Star (Echino- 

 derm). 13: Lobster. 14: Butterfly. 15: Scorpion. 13-15: Arthropods. 16: Snail. 17: 

 Squid. 18: Balanoglossus, pointing on to Vertebrates. 19: A Tunicate or Ascidian. 

 20: Lancelet or Amphioxus. 21: Fish. 22: Toad. 23: Chamaeleon (a Lizard). 24: 

 Snake (another reptile). 25: Swift. 26: Rook. 27: Bat. 28: Squirrel. 



