PURE SCIENCE 
6 
Pe 
62 
63 
64 
65 
66 
67 
68 
69 
» 
Economic 
Usefulness 
In nature 
As food and medicin for man 
In chemistry and manufactures 
Noxiousness 
Offensiv animals 
Animals causing diseases [substances 
[njuring vegetable and animal products and inorganic 
Injuring living plants and animals Parasites 
Organografy =~ Descriptiv anatomy | 
Subdivided like 501.4 Morfology } 
Histology See also 578.0 Microscopic zoology 
Geografic distribution of animals 
Subdivide like 930-000, uzing .02 for ocean, marine fauna, further subdivided 
like 551.46 and .47; e.g. Marine fauna of Mediterranean 501.922 
8 
0 
592 Invertebrates 
503 Protozoans Radiates 
I Protozoans 
Rhizopoda 
Foraminifera 
Heliozoa 
Radiolaria 
{nfusoria 
Flagellata 
Ciliata 
I 
16 
17 
I8 
IQ 
Polycystina 
Gregarinida 
Radiates 
Ccelenterata 
Sponges 
Cnidaria 
Actinozoa Polyps Corals and sea anemones 
Rugosa Tetracorolla 
Alcyonaria Octocorolla 
Zoantharia Hexacorolla 
Antipatharia 
Actinaria | 
Madreporaria 
Hydrozoa 
Hydromedusea 
Siphonophora, 
Acalepha 
Calycozoa, 
Marsupialida 
Discophora Jelly fish 
-~ 
Acalepha (old use of term, now limited to 593.73) 
Porifera Spongia 
£ 
72 
74 
76 
bird