A Manual of Zoology for the Use of Students, Volum 1R. Hardwicke, 1870 |
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abdomen actinosoma Actinozoa adult alimentary canal ambulacral amongst animal Annelida antennæ anus aperture appendages Arachnida arms attached bivalve body Brachiopoda branchiæ buds calcareous called carapace cavity cephalothorax chamber chitinous ciliated cœnosarc composed comprising consists contractile coral corallum Crustacea Ctenophora developed disc distinct division dorsal Echinodermata entirely external extremity female filaments foot Foraminifera ganglia gemmation genera gills gonophores head horny hydrosoma Hydrozoa individual Infusoria Insects integument intestine known labium larva limbs locomotive male mandibles mantle margin maxillæ membranous Mollusca mouth muscular nectocalyces nervous system operculum organised organs ovum pair Paleozoic parasitic perforated plates Pneumatocyst polypes polypites Polyzoa possess posterior produced Protozoa reproductive resemble respiratory Rocks Rotifera rudimentary sarcode Scolecida segments septa shell Silurian single siphons siphuncle somites species spiral sponges stomach structure sub-class sub-kingdom Sub-order suctorial surface tentacles termed thorax tube usually valves ventral vesicles whilst wings Zoantharia zoöids