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. 19
... horny plates serving the purpose both of skin and bone . So again , while in Vertebrata the blood is brought from the tissues to the air in the lungs that it may be oxygenated , in insects , as we shall see , the air is brought to the ...
... horny plates serving the purpose both of skin and bone . So again , while in Vertebrata the blood is brought from the tissues to the air in the lungs that it may be oxygenated , in insects , as we shall see , the air is brought to the ...
Стр. 36
... horny rim , which sur- rounds the whole face , and gives a peculiar expression to the hornet . This margin does not appear in the smaller species because their eyes are larger and the clypeus is broader in proportion . The markings of ...
... horny rim , which sur- rounds the whole face , and gives a peculiar expression to the hornet . This margin does not appear in the smaller species because their eyes are larger and the clypeus is broader in proportion . The markings of ...
Стр. 60
... horny skin is also their skeleton . It has been dis- puted whether this integument should be regarded as skin or bone . Its anatomical structure certainly rather favours the first conclusion . The laminated arrangement , and the form ...
... horny skin is also their skeleton . It has been dis- puted whether this integument should be regarded as skin or bone . Its anatomical structure certainly rather favours the first conclusion . The laminated arrangement , and the form ...
Стр. 65
... horny skeleton to which these are attached has different names in different parts : the elementary divisions of the head , however , have not in wasps the same importance as those of the thorax have , and we need not dwell on them at ...
... horny skeleton to which these are attached has different names in different parts : the elementary divisions of the head , however , have not in wasps the same importance as those of the thorax have , and we need not dwell on them at ...
Стр. 66
... horny membrane , which forms the outer- most covering of the organ , is a continuation of the general integument and laminated like it , only made transparent . Behind this is a regular lens , with a rudimentary iris round its edge ...
... horny membrane , which forms the outer- most covering of the organ , is a continuation of the general integument and laminated like it , only made transparent . Behind this is a regular lens , with a rudimentary iris round its edge ...
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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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