A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 45
... chelate and sub - chelate are of constant occurrence in descriptions of Crustacea . A limb is chelate when it has joints that will act together like a pair of tongs . Generally this character is produced by the hingeing of the seventh ...
... chelate and sub - chelate are of constant occurrence in descriptions of Crustacea . A limb is chelate when it has joints that will act together like a pair of tongs . Generally this character is produced by the hingeing of the seventh ...
Pagina 51
... chelate limbs , commonly called the chelipeds . The next four pairs are adapted for walking or swimming , or rarely may have a prehensile character . In the sternal plastron , or breast- plate , the coalesced ventral plates of the last ...
... chelate limbs , commonly called the chelipeds . The next four pairs are adapted for walking or swimming , or rarely may have a prehensile character . In the sternal plastron , or breast- plate , the coalesced ventral plates of the last ...
Pagina 106
... chelate . In 1793 Fabricius said of his sagittarius that in one sex the feet were of moderate size and all chelate , in the other six times as long and simple . In 1798 , without any distinction of sexes , he states that eight of the ...
... chelate . In 1793 Fabricius said of his sagittarius that in one sex the feet were of moderate size and all chelate , in the other six times as long and simple . In 1798 , without any distinction of sexes , he states that eight of the ...
Pagina 146
... chelate and any of them simple . The sternal plastron or breastplate is linear in general . The vulvæ of the female open in the basal joints of the third pair of legs , and the vasa deferentia of the male pass through those of the fifth ...
... chelate and any of them simple . The sternal plastron or breastplate is linear in general . The vulvæ of the female open in the basal joints of the third pair of legs , and the vasa deferentia of the male pass through those of the fifth ...
Pagina 149
... chelate . The telson is elongate , lanceolate . This family includes three genera . Hippa , Fabricius , 1793 , has been much restricted since it was first instituted . It is now especially distinguished from its companions by the large ...
... chelate . The telson is elongate , lanceolate . This family includes three genera . Hippa , Fabricius , 1793 , has been much restricted since it was first instituted . It is now especially distinguished from its companions by the large ...
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Termeni și expresii frecvente
adult Amphipoda animal Anomura apex appendages basal joint Beddard belong Brachyura branchiæ branchial branchial cavity Budde-Lund burrow carapace character chelate chelipeds claws crab Crustacea Cumacea Dana depth described developed distinct distinguished dorsal epipod exopod eye-stalks eyes Fabricius fathoms female fifth joint fifth pair flagella flagellum fourth joint Fritz Müller front genera genus Giard and Bonnier gnathopods Haan Herbst inch inner branch Isopoda Kröyer larvæ larval last pair Latreille Leach limbs Linn Macrura Malacostraca male mandibles margin maxillæ Mediterranean Miers Milne-Edwards Mysis narrow outer branch pair of legs pair of trunk-legs pairs of pleopods palp parasitic peduncle peræon peræopods plates pleon pleopods regions Risso rostrum rudimentary S. I. Smith Sars second antennæ second joint second maxillipeds setæ short side sixth segment slender specimens Spence Bate spines Stimpson sub-order telson terminal joint third maxillipeds three pairs three-jointed tribe trunk two-jointed type species uropods ventral
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Pagina 157 - I think this is as curious a case of instinct as ever I heard of, and likewise of adaptation in structure between two objects apparently so remote from each other in the scheme of nature, as a crab and a cocoa-nut tree.
Pagina i - Correspondent of the Institute. With 148 Illustrations. $1.75. 46. THE ORGANS OF SPEECH AND THEIR APPLICATION IN THE FORMATION OF ARTICULATE SOUNDS. By GH VON MBYER, Professor in Ordinary of Anatomy at the University of Zurich.
Pagina ii - THE SENSES, INSTINCTS, AND INTELLIGENCE OF ANIMALS, WITH SPECIAL REFERENCE TO INSECTS. By Sir JOHN LUBBOCK.