 If these views are correct, the genus Campodea must be regarded as a form of remarkable interest, since it is the living representative of a primaeval type, from which not only the COLLEMBOLA and THYSANURA, but the other great orders of insects, have...  The Journal of the Linnean Society: Zoology - עמוד 417מאת Linnean Society of London - 1873תצוגה מלאה - מידע על ספר זה
 | Sir Norman Lockyer - 1873 - 742 דפים
...stock which was at one period aquatic in its habits, and which probably resembled the present larvae of Chloeon in form, but had thoracic as well as abdominal...great orders of insects have all derived their origin. Finally, from the subject of metamorphoses we pass naturally to that most remarkable phenomenon which... | |
 | Sir Norman Lockyer - 1872 - 540 דפים
...peculiar type capable of modification in either direction by gradual changes without loss of utility. If these views are correct, the genus Campodea must...primaeval type from which not only the Collembola and Thysanur.i but the other great orders of insects have all derived their origin. CHARLES B ABB AGE DIED... | |
 | Sir Norman Lockyer - 1872 - 540 דפים
...peculiar type capable of modification in either direction by gradual changes without loss of utility. If these views are correct, the genus Campodea must...interest, since it is the living representative of a primasval type from which not only the Colleinbola and Thysanura but the other great orders of insects... | |
 | Sir John Lubbock - 1873 - 452 דפים
...stock which was at one period aquatic in its habits, and which probably resembled the present larvae of Chloeon in form, but had thoracic as well as abdominal...orders of insects, have all derived their origin. 1 ' Linnean Transactions,' 1863. CHAPTER IV. COLLEMBOLA. General Description. IN the COLLEMBOLA, as... | |
 | Alpheus Spring Packard - 1873 - 254 דפים
...groups represented by Podura and Campodea may have been the ancestors of the insects, remarking that "the genus Campodea must be regarded as a form of...primaeval type from which not only the Collembola (Podura, etc.) and Tbysanura, but the other great orders of insects, have all derived their origin."... | |
 | Linnean Society of London - 1873 - 906 דפים
...probably resembled the present larva) of Chloeon in form, but had thoracic as well as abdominal branchia). If these views are correct, the genus Campodea must...interest, since it is the living representative of a primaival type from which not only the Collembola and Thysauura, but the other great orders of insects... | |
 | Sir John Lubbock - 1873 - 482 דפים
...had thoracic as well as abdominal branchiae. If these views are correct, the genus Campodea must bo regarded as a form of remarkable interest, since it...representative of a primaeval type, from which not only the COLLEMUOLA and THYSANURA, but the other great orders of insects, have all derived their origin. i '... | |
 | Sir Norman Lockyer - 1873 - 584 דפים
...must be regarded as a form of remarkable interest, since it is the living representative of a primeval type from which not only the Collembola and Thysanura, but the other great orders of insects have derived their origin. This ancient type may possibly have been derived from a less highly developed... | |
 | Alpheus Spring Packard - 1873 - 256 דפים
...is the living representative of a primaeval type from which not only the Collembola (Podura. etc.) and Thysanura, but the other great orders of insects, have all derived their origin." The comparison of the Leptus with the Nauplius, or pre-Zoeal stage of Crustacea, is much more natural.... | |
 | Sir John Lubbock - 1874 - 132 דפים
...the thorax with three pairs of legs ; and the abdomen, in all probabil1ty, with caudal appendages. If these views are correct, the genus Campodea must...Thysanura, but the other great orders of insects have derived their origin. From what lower group the Campodea type was itself derived is a question of great... | |
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