Evenings at the Microscope, Or, Researches Among the Minuter Organs and Forms of Animal Life

abdomen Acineta acontia angle animal animalcules antennæ appearance basal beautiful body bottom bristles calcareous cavity cells centre chitine cilia ciliary cinclis close Cloth boards cnida colour colourless compound eyes contraction creature Crustacea curious curved delicate diameter dilated discern disk ecthoreum edge eggs elegant Euglena examine extremity filaments flesh fluid foot front glass globules hairs head hooks horny inch inclosed insects interior irregular jaws joints knob labium larvæ length lengthened lens lines live-box look mandibles margin maxilla Medusa membrane microscope minute motion mouth nacre observation organs orifice otolithes oval ovipositor pair palpi pedicellaria perceive plate points polypes portion proboscis projecting protruded resemblance ridge round rows scales seen shell side skin slender species specimen Spiders spines spinnerets spiracles spiral structure substance surface Synapta teeth tentacles terminal thick thin thread tiny tissues toned paper transparent transverse tube upper Vorticella whole wings Zoea