another, and the organ may undergo structural modification in Other Objections. Insufficiency of Time. Evidence of Design and LECTURE VII. (Pp. 173-199.) THE ORIGIN OF VERTEBRATED AMIMALS. The evidence available for the determination of genetic affinities is 1. That afforded by comparison of structure. 2. That afforded by development. 3. That afforded by fossils. THE CRANIATE VERTEBRATES. The Zoological characters of the higher Vertebrates. The brain The characters of Fish and Amphibians. The mutual relations of The Zoological characters of Reptiles, Birds, and Mammals. The The mutual relations of Reptiles and Birds. The special characters The special characters of Mammals. The development of Mammals. THE ACRANIATE VERTEBRATES. The Anatomical and Embrylogical characters of Amphioxus. Re- The characters of Ascidians. Supposed ancestral relations to other Man distinctly an animal; moreover a Vertebrate and a Mammal. Comparison of the structure and development of man with other animals. Points of resemblance of man to the higher apes. Rudimentary organs present in man. The tendency to The few structures found in man which are peculiar to him. Other characteristics of man compared with lower animals. Application of the Darwinian Theory to the Language of Man. Conclusion. Causes known which account for the structure, language, and habits of man. The possibility of other attributes b "The Power of Movement in Plants" Death 1880. 1881. 19th April, 1882. The Darwin Family: Erasmus Darwin, 1731-1802: author of Life of Charles Darwin: School and College career; found lectures Darwin's Work: The Beagle Reports, 1840-1846; the Theory of the The "Origin of Species." Preliminary Work; unwillingness Darwin's later works, "The Descent of Man," and "Expres- Personal Characteristics: Daily life and habits. Chronic ill-health. INDEX Pp. 229-236 FIG. LIST OF ILLUSTRATIONS ARCHÆOPTERYX. (From a photograph of original specimen) PAGE Nature, and lent by W. E. HOYLE, Esq.) Frontispiece } I. DOMESTIC PIGEONS) (From drawings made for the Author by 2. DOMESTIC FOWLS R. E. HOLDING) 26, 32 3. GALLUS BANKIVA, The Jungle-Fowl. (Photographed from 4 & 5. DENTALIUM and LINGULA (after NICHOLSON) 58 64 66 80 9. PRAWN, Development of. (From a drawing by the Author, 6. PHENACODUS (after COPE) 7. FLYING REPTILE, Diagram. (From a drawing by the Author) 8. ASCIDIAN AND FROG TADPOLES (after LANKESTER) after FRITZ MULLER) 10. BARNACLE, Development of. (From a drawing by the Author, after SPENCE BATE) II. SACCULINA, Development and Degeneration of. (From a drawing by the Author: A, B, and C after Delage; D from Nature) 12. Flounder, Young and Adult Specimens. (From a drawing by the Author: A and B after CUNNINGHAM; C after BUCKLAND and COUCH) 13. CRAB, Young and Adult Specimens. (From a drawing by the Author: A after Weldon; B after CLAUS; C after BELL) 14. ORBITOLITES AND PENEROPLIS (From a drawing by the Author, after BRADY and CARPENTER) 81 82 83 86 90 92 15. FROG AND TADPOLES. (From a drawing by the Author from Nature) 100 16. HYLODES, Young and Adult Specimens. (From a drawing by the Author, after BREHM) 101 17. EYES OF SOLEN, HALIOTIS, PATELLA AND FISSURELLA. (From a drawing by the Author) 108 18. DIAGRAM OF EYES OF PATELLA, HALIOTIS AND FISSURELLA. (From a drawing by the Author). 109 FIG. PAGE 19. LOLIGO, Adult Specimen, and Development of Eye. (From a drawing by the Author, after LANKESTER) 110 20. AMPHIOXUs, Adult Specimen and early Developmental Stages. (From a drawing by the Author, after HAT 21. MONAD, PANDORINA, SALINELLA AND VOLVOX. (From a drawing by the Author, after Frenzel and others) 114 25. METHONA AND LEPTALIS. (Photographed from Nature) 138 26. BIRD OF PARADISE. (Photographed from Nature, and lent by W. E. HOYLE, Esq.. 142 27. ORCHIS MASCULA. (From a drawing by the Author, after DARWIN and OLIVER) 146 28. PTEROPUS. (From a drawing made for the Author by R. E. HOLDING) 165 29. DIAGRAM to show the evolution of the lung from the swim-bladder of fish. (From a drawing by the Author) 167 30. ICHTHYOSAURUS (after THOMAS HAWKINS) 178, 179 31. PLESIOSAURUS 33. ECHIDNA } 32. OrnithorhYNCHUS) (From drawings made for the Author by 34. EMBRYO CHICK. (From a drawing by the Author from Nature) 35. CLAVELINA. (From a drawing made by Walter GaRSTANG, 186 Esq.) 190 36. PRIMULA. (From a drawing by the Editor) 218 |