Natural Science, Volumen2

adult Africa Algæ Ammonites anatomy ancestors animals Antedon appear Baer's law birds Botany Brachiopoda British caterpillars cells characters CHIG collection colour CONCHOLOGIST contains Crustacea dark described district edition eggs embryo evidence evolution existence experiments extinct fact fauna fertilisation fish flora flowers fossil gastrula genera genus Geological green honey Hurst illustrations insects interesting island Journal Kilima-njaro known large number larva larvæ Lepidoptera less living London Magellania mammals Marsupials memoir microbe moths Museum Natural History NATURAL SCIENCE Natural Selection naturalists nucleus observations obtained occur ocean ontogeny organs original ovum Owen Palæontology paper plants plates pollen premolar present Price produced Professor protoplasm published Recapitulation Theory recent recognised reef referred remarkable scientific segmentation shell skull Society species specimens spermatozoon stage structure supposed teeth tion trees variation various vertebrate volume Zoological