Quarterly Journal of Microscopical Science, Volume 14

acid algæ alimentary canal animal kingdom appearance artery become blastoderm body branches cells central Chatocladium cœlom colour commencing connective tissue cord corpuscles described Dog-fish duct ectoderm embryo endoderm endothelium epiblast epithelium exhibited fibres filaments fluid formation ganglia ganglion Gastraea-theory gastrula genus germ germ-lamella germination glands gonidia granular granules groove groups growth Hydra hypha hyphæ hypoblast intestine involution lamella lateral layer lichens longitudinal Lymnæus lymphatic mass medullary membrane mesoblast Metazoa microscope mode Mollusca Mucor muscles muscular mycelium Navicula nerve-trunks nerves notochord nuclei observations ontogenesis organs origin outer Oviduct parasitic plant plate pleuro-peritoneal cavity polypide Polyzoa portion primitive prothallus protoplasm Protozoa Rhabdopleura sections seen segmentation separated shell shell-gland showed side slide species specimens sporangia sporangium spores stage stained stem structure surface tion transverse tube valve vertebral Vertebrata vessels wall Wolffian Wolffian duct yolk zygospore