Plerodology-Ferns Ichthyology-Fishes Mammalogy-Mammals Mycology-Fungi Agrostology-Grasses Virology-Viruses Fycology-Algae Parasitology-Parasites Protozoology- Protozoans Arachnidology-Arachnids Helminthology-Flat Worms Herpetology-Reptiles Malakology-Mollusks Conchology-Shells Intomology-Insects Bactriology-Bacteria Ornithology-Birds