Parasitology

abdomen adult amoebula animals appears Ascaris become bees bile bladder body bovis bursa Cambridge cells cent Cercaria Cestodes collected colour cuticula cysts described differentiated disease dorsal ecdysis eggs examined excretory system experiments female flame-cells fluid genital primordium genus granules hairs Heligmosomum helminthology hours after infection intermediate host intestine Journ kidney laboratory lamb large number larvae larval stage later length life-history lineatum Linstow Lipoptena male margin mature Melittobia Molteno Moniezia moult muris Myxosporidian nematodes nuclei observed obtained occur oesophagus oral sucker organs ovijector oviposition pair Parasitology pharynx Plate polar capsules polar filaments polygyrus portion posterior end primordium proglottids Protozoa pupa rats region second parasitic stage segment setae sex-organs showing skin species specimens spores sporoplasms structure tail tapeworm Text-fig tissue transverse Trematodes trophozoite tube tubules tumours vagina vegetative nucleus ventral side vulva wall width worms