BIRDS. 
Placentals. 
MAMMALS. Marsupials. 
SIMPLEST ANIMALS. 
Flying Birds. Running Birds. Monotremes. 
uw : 
ie) : 
a Snakes. Lizards. REPTILES. Crocodiles. Tortoises. 
a 
is Dipnoi. AMPHIBIANS. 
= Bony Fishes. Newt. Frog. 
2 FISHES. 
a) “Ganoids.”” CYCLOSTOMES. 
> Elasmobranchs, Lamprey. Hag-fish. 
< 
: LANCELETS. TUNICATES. 
= 
| BALANOGLOSSUS. 
e Cuttle-fishes. a 
© [Insects. Arachnids. ANNELIDS. Gasteropods. 4 
> 
Myriopods. MOLLUSCS. N 
Peripatus. : ° 
Bivalves. > 
ARTHROPODS. c 
oa Crustaceans. “WORMS.” Feather-stars. 
i Brittle-stars. 
HH Star-fish. 
<q 
% ECHINODERMS. 
ial 
a) UNSEGMENTED J] Sea-urchins. 
i WORMS. Sea-cucumbers, 
[24 
& 
> 
Z, Ctenophores. Jelly-fish. Sea-anemones. Corals. 
Loe! 
CCQELENTERA. 
Medusoids and Hydroids. 
SPONGES. 
Infusorians. Rhizopods. Sporozoa, 
VOZ 
-OLOU 
