A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 12
... trunk , and the tail , in each of the crustaceans above mentioned , and comparing them piece by piece , the beginner will be able to give himself a cheap but invaluable lesson . He will be surprised at first to detect likenesses in the ...
... trunk , and the tail , in each of the crustaceans above mentioned , and comparing them piece by piece , the beginner will be able to give himself a cheap but invaluable lesson . He will be surprised at first to detect likenesses in the ...
Pagina 28
... trunk and with more slender antennæ , attains an equal length , or by inclusion of its long and powerful claws might claim in this respect far to exceed the weak - limbed Palinurus . There is an Australian crayfish , Astacopsis serratus ...
... trunk and with more slender antennæ , attains an equal length , or by inclusion of its long and powerful claws might claim in this respect far to exceed the weak - limbed Palinurus . There is an Australian crayfish , Astacopsis serratus ...
Pagina 32
... trunk , and tail , or , as these parts are sometimes called , cephalon , thorax , and abdomen . There is indeed a rather bewildering supply of alternative names , which it is needless for the moment to discuss . The objections to the ...
... trunk , and tail , or , as these parts are sometimes called , cephalon , thorax , and abdomen . There is indeed a rather bewildering supply of alternative names , which it is needless for the moment to discuss . The objections to the ...
Pagina 34
... trunk or both , or else with the swimming organs of the tail - part , commonly called the pleon . These and other curious modifications are largely made use of in classifying the Crustacea , and to understand the unavoidable intrica ...
... trunk or both , or else with the swimming organs of the tail - part , commonly called the pleon . These and other curious modifications are largely made use of in classifying the Crustacea , and to understand the unavoidable intrica ...
Pagina 39
... trunk of the mandible is frequently massive , with a projecting , finely denticulate , grinding surface called the molar tubercle , and a thick or thin dentate cutting edge , often having also a variety of spines between these two ...
... trunk of the mandible is frequently massive , with a projecting , finely denticulate , grinding surface called the molar tubercle , and a thick or thin dentate cutting edge , often having also a variety of spines between these two ...
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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
Pasaje populare
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 - Jelly-Fish, Star-Fish, and Sea-Urchins. Being a Research on Primitive Nervous Systems. By GJ Romanes.
Pagina i - WARNER, MD, Assistant Physician, and Lecturer on Botany to the London Hospital, etc. With 51 Illustrations. $1.75. 52. ANTHROPOID APES. By ROBERT HARTMANN, Professor in the University of Berlin. With 63 Illustrations. $1.75. New York : D. APPLETON & CO., 1, 3, & 5 Bon/l Street.