Zoology 638 PhD Theses 151 MPhil Dissertations 129 MSc Dissertations 83 Dissertations, Academic (Ph.D) 66 Thesis (Ph.D)-Zoology 66 Invertebrates-- Zoology 59 Animals-- Zoology 56 Animal taxonomy-- Zoology 35 Invertebrates 35 Ecology 28 Parasitology 28 Crustacea and related animals-- Invertebrate Zoology 25 Crustacean and related animals-- Invertebrate Zoology 25 Collected works 24 Insects (Entomology)-- Invertebrate Zoology 23 Animals 22 Mollusca & molluscoidea-- Zoology, Malacology 22 Chordate-- Vertebrate Zoology 21 Mammals 19 Physiology 19 Science 19 Natural history of animals 18 Marine animals-- Marine zoology 17 protoplasm 17 Arthropod-- Invertebrate Zoology 16 Biology 15 Fishes 15 Experimental Zoology-- Research 14 Worms and related animals-- Nematology-- Helminthology-- Zoology 14