A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 11
... placed them , and that has given them henceforth an undoubted position among the Crustacea . They may be divided into five orders , or the first two , the Pedunculata and the Operculata , may be grouped together as divisions of an order ...
... placed them , and that has given them henceforth an undoubted position among the Crustacea . They may be divided into five orders , or the first two , the Pedunculata and the Operculata , may be grouped together as divisions of an order ...
Pagina 21
... placed in a vessel of shallow water , and , though the crafty inhabitants lie close , they will eventually come forth . Sand and muddy ooze scraped from the bottom requires to be passed through a sieve or stirred about in a pailful of ...
... placed in a vessel of shallow water , and , though the crafty inhabitants lie close , they will eventually come forth . Sand and muddy ooze scraped from the bottom requires to be passed through a sieve or stirred about in a pailful of ...
Pagina 37
... placed in position by the animal soon after casting its exuvium . ' But while the higher Podophthalma have the organ of hearing thus placed , there are some - the Myside - which , extraordinary to relate , carry it in the tail ( see ...
... placed in position by the animal soon after casting its exuvium . ' But while the higher Podophthalma have the organ of hearing thus placed , there are some - the Myside - which , extraordinary to relate , carry it in the tail ( see ...
Pagina 41
... placed the first maxillæ . They are almost always thin and foliaceous , with few joints , and those few not easy to distinguish . The pattern is ex- tremely variable . The functions are obscure . There are sometimes strong fringing ...
... placed the first maxillæ . They are almost always thin and foliaceous , with few joints , and those few not easy to distinguish . The pattern is ex- tremely variable . The functions are obscure . There are sometimes strong fringing ...
Pagina 50
... The heart which is dorsally placed has lateral openings for the entrance of the blood that has been oxygenated in the branchiæ . These slits are in one , two , SHORT TAILS 51 or three pairs , only in the 50 A HISTORY OF RECENT CRUSTACEA.
... The heart which is dorsally placed has lateral openings for the entrance of the blood that has been oxygenated in the branchiæ . These slits are in one , two , SHORT TAILS 51 or three pairs , only in the 50 A HISTORY OF RECENT CRUSTACEA.
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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.