Habits, 104 Hand, 53 Hare, 87 Head 18, 77, 106 History, 3 Horse, 41 How the meaning of the word reptile is lost, 98 Humerus, 38 Huxley (Prof), 86, 116 Ichthyosaurus, 34, 37 Iguana, 41, 47, 69, 82 Ilium, 60 Ischium, 60 Jerboa, 64 Kangaroo, 55, 69 Ligamentum teres, 62 Lower jaw, 91 Llama, 77, 69 Malar bone, 107 Mammalian Affinities, 31, 34, 87, 41, 42, 61, 62, 69, 75, 79, 83, 86, 94, 105 Manubrium, 29 Marsupial bones, 61, 110 Materials, 1 Mergus merganser, 31 Metacarpus, 53 Metatarsus, 63 Meyer (H. von), 17, 109 Mole, 30, 37 Monimostylica, 97 Monitor, 41, 47, 69, 72, 86 Monotremata, 34 Mould of Brain-cavity, 87 Objections to Prof. Owen's grouping, 99 Occipital bones, 81 Oken, 10 Optic lobes, 84 Orbito-ethmo-sphenoid bone, 85 Orbits, 107 Organization, 7 Ornithocephalus, 111 Ornithocheirus, 112 Ornithorhynchus, 88 Ornithosauria, 27 Ossemens fossiles, 7 Ostrich, 52, 58, 86 Owen (Prof. R.), 3, 29, 32, 36, 48, 54, 56, 64, 66, 69, 75, 78, 88, 91, 92, 98, 108, 115 Pachyrhamphus, 111 Parrot, 87 Palæontology, 109 Parietal bones, 81 Parker (Mr W. K.), 79 Pectoral girdle, 28 Pelvis, 59 Penguin, 8, 69 Petrosal, 82 Phalange, 56 Plan of organisation, 25 Pneumatic cavities, 23, 26, 100 Porpoise, 86 Post frontal, 107 Premaxillary bones, 91, 107 Prepubic bones (prepubic), 61, 110, 111 Pterodactyle's place in nature, 102 Pterodactylus, 111 Pteroid bone, 48 Pterosauria, 99, 108 ?Pterygoid end of palatine bone, 91 Quadrate bone, 89, 107 Quadrato-jugal, 90 Quenstedt, 17, 21 Radius, 42 Reptilia, 94 Respiration, 26, 100 Restoration, 103 Rhamphorhynchus, 111 Ribs, 108 Roc, 5 Sacrum, 73 Scapula, 35 Scink, 41, 72 Second phalange, 57 Sömmerring, 10 Species, 112 Squamosal bone, 81 Stannius, 97 Sternum, 28 Streptostylica, 97 Struthious birds, 31, 72 Tarso-metatarsus, 63 Teeth, 92 Tibia, 62 Ulna, 43 Vertebral column, 64 ?Vomer, 88 Wagler, 11 Wagner, 14 Walker (Mr J. F.), 87 Walking, 105 Walrus, 79 Wing-finger, 66 THE END. Cambridge:[** Old Eng] PRINTED BY C. J. CLAY, M.A. AT THE UNIVERSITY PRESS. PLATE I.[AB] Sternum and Scapula. Fig. 1. Fore-part of sternum showing the ovate synovial facet for the coracoid. =J=._a_.1, p. 28. ------------------ 2. Outside of the proximal end of a right scapula. Largest specimen. =J=._a_.3, no. 2, p. 35. 3. Outside of greater portion of a left scapula. =J=._a_.3, no. 13. 4. Inner side of a small right scapula. =J=._a_.3, no. 12. 5. Outside of proximal end of a right scapula. =J=._a_.3, no. 3. 6. Surface of =J=._a_.3, no. 3. articulating with humerus. 7. Outside of distal end of a scapula. =J=._a_.4, no. 1. 8. View of the distal termination of a scapula.