R. Owen.- Geol. Trans. Ser. 2, Vol. VI. 1840, p. 411. XIII. 2. 12. Brit. Assoc. Reports, 1841, p. 156. II. 6. 10. Quart. Jour. Geol. Soc. Vol. II. p. 96. VII. 3. 42. British Fossil Mammals and Birds, 1846, p. 545. IX. 5. 15. Odontography, Vol. I. p. 273. IX. 10. 23. Dixon's Geology of Sussex, 1850, p. 401. VII. 1. 5. Palæont. Soc. Monograph, Owen, 1851, p. 80. XVIII. 14. 17. Proc. Zool. Soc. 1851, p. 21. XVIII. 18. 3. British Assoc. Reports, 1858, p. 97, sec. II. 6. 27. Philosophical Trans. Royal Soc, 1859, Vol. 149, p. 161. 15. 3. 61. Palæontographical Soc. Monograph, 1859. XVIII. 14. 1860. XVIII. 14. 9. Palæontology, p. 244. B. 46. 29. Anat. Vertebrates, Vol. I. pp. 6, 18, 161, 175, 192, Vol. II. p. 13. IX. 11. 22. H. G. Seeley.--British Assoc. Reports, 1864, p. 69, sec. II. 6. 33. Annals of Natural History, 1865, Vol. XV. p. 148. XIII. 30. 29. 1866, Vol. XVII. p. 321. XIII. 30. 31. 1869, Vol. III. p. 465. XIII. 30. 37. Index to Aves Ornithosauria and Reptilia, p. 4, p. 89. VII. 6. 71. INDEX. Affinities, 24, 94 Albatross, 31 Alisphenoid, 81 Appendix, 129 Archæopteryx, 8 Aspect, 105 Astylica, 97 Atlas and axis, 64 Avian carpus, 52 Basi-occipital bone, 78 Basi-sphenoid, 80 Bat, 31, 105 Birds, 52 Blainville, 97 Body, 108 Bonaparte, 109 Brain, 25 Brain-cavity, 87 Buckland, 60 Burmeister, 17 Cambridge upper Greensand, 2 Camel, 47 Carp, 79 Carpus, 48 Carruthers (Mr), 106 Caudal vertebræ, 75 Cerebral lobes, 87 Cervical vertebræ, 65 Cetaceans, 30 Chameleon, 31, 34, 37, 41, 47, 72 Chelydra, 61 Chrysochloris, 42, 47 Ciconia marabou, 86 Circulation, 100 Classification, 108 Claw phalange, 59 Cod, 79 Coracoid, 32 Cranium, 80 Crocodile, 31, 35, 37, 41, 47, 63, 69, 83, 93, 95, 97 Cuvier, 7, 92 Cycnorhamphus, 111 Delphinidæ, 83 Dentary bone, 92 Dicynodonts, 61 Dimensions, 103 Dimorphodon, 112, 60 Dinornis, 67 Dinosaurs, 99, 61 Dipnoal reptiles, 99 Dorsal vertebræ, 69 Echidna, 61 ?Eggs, 106 Epipubic bones (see prepubic bones) Evidence that Pterodactyles were Reptiles, 5 Facial bones, 91 Families, 110 Femur, 62 Fibula, 63, 22 Food, 105 Fore-arm, 48 Gallus domesticus, 90, 82, 34 Genera, 111 German Pterodactyles, 106 Goldfuss, 11, 63 Goose, 92 Grouping of reptiles, 97 Gypogeranus serpentarius, 42