Difficulties of the Evolution Theory

adult amphibia anthropoid appear aquatic assert B.Sc bats belong birds blood bones brain breeders Carboniferous Cetacea characters common ancestor creation Cretaceous Crown 8vo D.Sc Darwin Demy 8vo descended diagrams doctrine of evolution E. J. HOLMYARD earliest-known fossils embryo Eocene evolution theory evolved exhibit existence extinct fact fauna feathers fish forms fossils fossils are known genera genus geological record gill glands groups of animals hind limbs horse human ichthyosaurs insects intermediate fossils known fossils Labyrinthodonts later living mammæ mammalian mammals marsupials monotremes Multituberculata muscle nature nephridia nipples occur oceanic islands Oligocene origin peculiar pelvis pelycosaurs period phylum Pithecanthropus placentals plants plesiosaurs Professor recapitulation theory represented reptiles reptilian resemblance result rudiment sea-cows SECOND EDITION shell Silurian Sirenia skull species stage structure sub-classes sub-order tail teeth tendons terrestrial theory of evolution toes Trias Triconodonta vertebrates vestigial Vialleton visceral arches whales wing World monkeys