British Social Wasps: An Introduction to Their Anatomy and Physiology, Architecture, and General Natural History ; with Illustrations of the Different Species and Their NestsLongmans, Green, Reader, and Dyer, 1868 - Всего страниц: 270 |
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Стр. 26
... connecting links are supplied , this objection disappears . The Vespidæ shade into the Eumenidæ by as gradual steps as these do into the Fossores , clinging by their anatomy to the former , by their habits to the latter division . And ...
... connecting links are supplied , this objection disappears . The Vespidæ shade into the Eumenidæ by as gradual steps as these do into the Fossores , clinging by their anatomy to the former , by their habits to the latter division . And ...
Стр. 34
... connection with the peculiar habits and internal structure of certain species , because they are more open to observation than these habits and structure . Their value diminishes in proportion as they are more difficult to observe , or ...
... connection with the peculiar habits and internal structure of certain species , because they are more open to observation than these habits and structure . Their value diminishes in proportion as they are more difficult to observe , or ...
Стр. 37
... connected with any of the varia- tions of size so remarkable in the hornet , nor with any fixed habit of building , nor with any peculiarity of structure whatever , they may be regarded as unimpor- tant , or at least as insufficient to ...
... connected with any of the varia- tions of size so remarkable in the hornet , nor with any fixed habit of building , nor with any peculiarity of structure whatever , they may be regarded as unimpor- tant , or at least as insufficient to ...
Стр. 42
... connected to each other by a faint shade . The lateral spots are isolated , but the central spot is connected by a root with the central cusp of the dark band which just shows over the square edge of the upper portion of the abdomen ...
... connected to each other by a faint shade . The lateral spots are isolated , but the central spot is connected by a root with the central cusp of the dark band which just shows over the square edge of the upper portion of the abdomen ...
Стр. 48
... connected with this central button by fine reddish lines , and the edges of the button have a rufous or orange shade . This rufous shade descends towards the tail , en- closing the lateral spots , then rises to meet a cusp projecting ...
... connected with this central button by fine reddish lines , and the edges of the button have a rufous or orange shade . This rufous shade descends towards the tail , en- closing the lateral spots , then rises to meet a cusp projecting ...
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abdomen abdominal ring antennæ appear arrangement attached bees black band body britannica British build cells central clypeus cocoon colour comb compound eyes connected Crown 8vo cusp Cyclopædia dark displayed distinct dorsal dorsal scale edge eggs Entomology examination female fibres fore-wings germanica glands ground-wasps higher animals honey-bee hooks hornet horny Hymenoptera Illustrations integument joints labium labour larger larva larvæ layer legs less limbs male mandibles markings materials maxillæ membrane meta-thorax metathorax microscope mouth muscles of flight Natural History nest notch observation oesophagus organs outer ovaries pair paper perfect insect Plate portion prothorax pupa queen round rufa salivary glands scale scarcely scutellum seen segments side skin smaller Solitary group species specimen spiracles spots sting structure surface swarm sylvestris thorax tion trace trachea tree-wasps tubes ventral scales Vespa Vespidæ vulgaris wasp's wasps wings workers yellow
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