A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 19
... inch of an animal's surface . As long as the fluids within correspond with those outside the body , there is a state of comfort and efficiency , but when this equilibrium is suddenly destroyed , uot only a crus- tacean but any other ...
... inch of an animal's surface . As long as the fluids within correspond with those outside the body , there is a state of comfort and efficiency , but when this equilibrium is suddenly destroyed , uot only a crus- tacean but any other ...
Pagina 29
... inch to two inches . Of the Stomatopoda , some are no more than three- quarters of an inch in length , but of the species Lysio- squilla maculata ( Fabricius ) , a male specimen , presented to the naturalists of the Challenger by the ...
... inch to two inches . Of the Stomatopoda , some are no more than three- quarters of an inch in length , but of the species Lysio- squilla maculata ( Fabricius ) , a male specimen , presented to the naturalists of the Challenger by the ...
Pagina 30
... inch in the amplest part of the head . The chief boast of the Gam- maridea is Eurythenes gryllus ( Lichtenstein in Mandt ) . The first specimen observed of this full - bodied animal was three inches long and two inches and a quarter ...
... inch in the amplest part of the head . The chief boast of the Gam- maridea is Eurythenes gryllus ( Lichtenstein in Mandt ) . The first specimen observed of this full - bodied animal was three inches long and two inches and a quarter ...
Pagina 31
... inch . The new species , Nebaliopsis typica , Sars , however , may extend the magnitude of modern examples to an inch and three - fifths . The Phyllopoda can exhibit Estheria californica , Packard , in a shell 16 millimètres long , ten ...
... inch . The new species , Nebaliopsis typica , Sars , however , may extend the magnitude of modern examples to an inch and three - fifths . The Phyllopoda can exhibit Estheria californica , Packard , in a shell 16 millimètres long , ten ...
Pagina 74
... inch long , the front ' quite differs from what is seen in the adult , being produced into a conspicuous rostrum as in the genus Galathea , and the telson , instead of being rounded , is broadly emarginate . As two genera , Nautilo ...
... inch long , the front ' quite differs from what is seen in the adult , being produced into a conspicuous rostrum as in the genus Galathea , and the telson , instead of being rounded , is broadly emarginate . As two genera , Nautilo ...
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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.