INDEX.
189
- Draves, migrations of, 178.
- Dromatherium, 118.
- Dugong, 74.
- Ear, development of, 159.
- Earthquakes, 124.
- Echidna, 70.
- Echinorhynchus, 35.
- Echinus, 42.
- organization of, 43.
- Edentata, 72, 148.
- Egg, development of, 127.
- of Mammal, 126.
- Elephant, 70.
- approaching Rodentia, 75.
- Embryology, growth of, 125.
- Embryos, necessity of studying, 32.
- of the Vertebrata, 54.
- Emeu, 64, 66.
- Endogens, 100.
- Endosperm, 99.
- Eocene period, 121.
- Epithelium, 129.
- Equisetum, 92.
- Euastrum, 80.
- Euglena, 21.
- Euphorbia, 102.
- Exogens, 100.
- Eye, development of, 159.
- Fauna of Tertiary Age, 122.
- Feet, relation of, to hands, 163.
- Ferns, 78, 91.
- development of, 93.
- fossil forms, 116.
- Filicales, 91.
- Filices, 92.
- growth of, 93.
- Fishes, age of, 115.
- brain of, 165.
- development of, 130.
- fossil forms, 114, 120.
- membranous, 56.
- Flora of Tertiary Age, 122.
- Floridæ, 82.
- Flower, description of, 96.
- development of, 137.
- of Cycas, 98.
- Flukes, 35.
- Forces studied in their effects, 11.
- Frog, 59, 61.
- Fucoiclidæ, 81.
- Fungi, 78, 83.
- classification of, 85.
- nutriment of, 84.
- Galeopithecus, relationship, 19.
- Gamopeialæ, 102.
- Ganoids, 57, 115.
- affinities of, 58.
- Gar-pike, 56, 115.
- Gasteropoda, 48.
- Gegenbaur, 17.
- Generation, spontaneous, meaning of, 21.
- evidences of, 22.
- Geographical distribution, 141.
- Geological changes, 54.
- Geology, study of, 106.
- Gephyrea, 36.
- Germinal vesicle, 126.
- of plant, 97.
- Glyptodon, 142.
- Gnetaceæ, 102.
- Goethe, 14.
- Golden Age, 177.
- Gonidia, 87.
- Gordiaceæ, 34.
- Gordius, 35.
- Graptolites, 113.
- Gregarinæ, 30.
- Gymnospermæ, 98.
- Hadrosaurus, 62, 120.
- Haeckel, 17.
- on struggle for existence, 143, 145.
- Halisarca, 23.
- Hands, relation of, to feet, 163.
- Hedgehog, 70.
- Hepaticæ, 89.
- Herbert, Dean, 16.
- Herring, 57.
- Hipparion, 9, 139.
- Hippopotamus, 9, 139.
- Hog, 139.
- Holoptychii, 57.
- Holothuria, 43.
- Hooker, 17.
- Horse, descent of, 74, 139.
- origin of, 9.
- Horse-tails, 91.
- description of, 92.
- Huxley, Thos., 17, 120.
- Hyalotheca, 80.
- Hybrids, breeding of, 157.
- Hydra, 28.
- Hydrozoa, 28.
- tree of, 25.
- Hymenomycetes, 85.
- Hymenoptera, 45.