Animal Parasites and Messmates

abode acaridæ acarus animals annelids appearance Ascaris attacks become birds blood body Bothriocephalus Caligi caterpillar cavity cercaria cestode cetacea ciliated cirrhipedes Cloth coast crab crèche Crown 8vo crustaceans curious cysticerci cysticercus damp earth Demy 8vo digestive tube distome eggs embryos enclosed encysted Fcap female Filaria fish fleas genus gives lodging harbours hatched hermaphrodite hooks host hymenoptera ichneumons Illustrations infested inhabit insects International Scientific Series intestines introduced isopod kind known larva larvæ leeches Leuckart live male messmates microscopic midst mollusc Mons mother mouth naturalists neighbour nematode nourish observed organs pass peritoneum Poems polyps post 8vo prey price 38 produce Prof Professor proglottides resemble scolex Second Edition seek sexes sexual sheep shell skin Small crown 8vo sometimes species stomach Strongylus studied sucker tænia tæniæ Tania tape-worm Third Edition tion trematode trichinæ usually vols worms young