Quarterly Journal of Microscopical Science, Volumes 62-88

abdominal segment acid adult amoeba anal segment antennary appear appendages atrial basal become blastoderm body bone Botryllus cartilage cent centriole chilopods collum segment colour cytoplasm described differentiation Diplopoda dorsal ducts ectoderm elongate embryo enlarged epidermis epithelium evidence fat-body fibres filaments formation ganglia ganglion genital tube germ-band germ-cells gland glandular goblet cells Golgi apparatus Golgi elements Golgi material Golgi zone haemosiderin Heymons impregnation insects instar instar larva intestinal larva later lecithin lipine lipoid lobes mandibles mandibular mass maxillae maxillary median membrane mesoderm method mid-gut mitochondria myriapods nerve-cord nile blue nuclear nucleus observed oesophagus Ophryoscolecidae osmication osmium tetroxide ovary oxazone pair Pauropoda Pauropus Peripatus phase phosphatase plate posterior pre-antennary pre-mandibular pre-oral cavity present protocerebrum pupa secretory granules seen solution somites spermatid spheroid stage stained stomodaeum structure sudan black sudanophil Symphyla teloblastic tergal Text-fig tissue triolein vacuoles ventral organs vesicles yolk zymogenic zymogenic cells