A Knowledge of Living Things, with the laws of their existence

absorbed adapted albumen animal body aqueous humor arteries atmosphere axis become blood buds called capable carbonic acid cause cavity cells cellular tissue centre chemical affinity ciliary processes color combination compounds conceptacle condition consists constituted contained coral cornea cotyledons crystalline lens decomposition degree digestive disease earth elements exercise existence external flowering plant fluid formation functions fungi germ-cells growth heat Hydra hydrogen infusoria inorganic laws layer leaves lens less living lungs matter membrane ment motion muscles nature necessary nerves nitrogen nourishment nutrition object odorous organic bodies oxygen papillæ particles phenomena plants poisonous polyps portion possess produce properties proportion purpose quantity rays of light refraction respiration retina roots sea-weed seeds single soil solid species spherical aberration sponge stem stomach structure substances supply surface tain temperature tentacles thallus tion tube tympanum vapor vegetable vitreous humor whole Zoospore