 | 1868 - 770 páginas
...genera, and a poorly preserved moth. Perhaps a minute Thrips, belonging to a group which has never been found fossil in any part of the world, is of the greatest interest. At the present day, these tiny and almost microscopic insects live among the petals of flowers, and... | |
 | Alpheus Spring Packard - 1870 - 756 páginas
...genera, and a poorly preserved Moth. Perhaps a minute Thrips, belonging to a group which has never been found fossil in any part of the world, is of the greatest...fossil insects now known from North America, number eighty -one : six of these belong to the Devonian, nine to the Carboniferous, one to the Triassic,... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1872 - 542 páginas
...genera, and a poorly-preserved moth. Perhaps a minute Thriр-s, belonging to a group which bas never been found fossil in any part of the world, is of the greatest interest. At the present day these tiny and almost microscopic insects live among the petals of flowers, and... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1872 - 524 páginas
...genera, and a poorly-preserved moth. Perhaps a minute Thrips, belonging to a group which has never been found fossil in any part of the world, is of the greatest interest. At the present day these tiny and almost microscopic insects live among the petals of flowers, and... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1872 - 524 páginas
...genera, and a poorly-preserved moth. Perhaps a minute Thrips, belonging to a group which has never been found fossil in any part of the world, is of the greatest interest. At the present day those tiny and almost microscopic insects live among the petals of flowers, and... | |
 | William Denton - 1872 - 348 páginas
...a poorly-preserved moth. Perhaps a minute thrips, belonging to a group which has never before been found fossil in any part of the world, is of the greatest interest. At the present day, these tiny and almost microscopic insects live among the petals of flowers ; and... | |
 | 1877 - 612 páginas
...genera, and a poorly preserved moth. Perhaps a minute Thrips, belonging to a group which has never been found fossil in any part of the world, is of the greatest interest. It is astonishing that an insetft so delicate and so insignificant in size can be so perfectly preserved... | |
 | James Samuelson, Sir William Crookes - 1877 - 600 páginas
...genera, and a poorly preserved moth. Perhaps a minute Thrip5, belonging to a group which has never been found fossil in any part of the world, is of the greatest interest. It is astonishing that an insect so delicate and so insignificant in size can be so perfectly preserved... | |
 | 1892 - 538 páginas
...was known of American fossil insects about nine years ago in this way: "The species of fossil insects known from North America number eighty-one; six of...to the Devonian, nine to the Carboniferous, one to theTriassic and sixtyfive to the Tertiary epochs; the Hymenoptera, Homeoptera and Diptera occur only... | |
 | 1892 - 504 páginas
...was known of American fossil insects about nine years ago in this way: "The species of fossil insects known from North America number eighty-one; six of...sixtyfive to the Tertiary epochs; the Hymenoptera, Homeoptera and Diptera occur only in the Tertiaries; the same is true of the Lcpidoptera, if we exclude... | |
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Homoptera (allied to the tree-hoppers), ants of two different genera, and a poorly preserved moth. Perhaps a minute Thrips, belonging to a group which has never been found fossil in any part of the world, is of the greatest interest. 