A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 3
... sixth class , the Onychophora , is sometimes added for the sake of the peculiar genus Periputus , but for the present it may be as well to give this the rank of an order among the myria- pods , a class represented by the familiar but ...
... sixth class , the Onychophora , is sometimes added for the sake of the peculiar genus Periputus , but for the present it may be as well to give this the rank of an order among the myria- pods , a class represented by the familiar but ...
Pagina 43
... sixth , instead of seventh . In treating separately of the Amphipoda or Isopoda , many naturalists have followed Boeck's usage as reasonable and convenient . But when other Crustacea are considered in which an appendage has the first ...
... sixth , instead of seventh . In treating separately of the Amphipoda or Isopoda , many naturalists have followed Boeck's usage as reasonable and convenient . But when other Crustacea are considered in which an appendage has the first ...
Pagina 45
... sixth . When the seventh joint or finger can be folded back upon the sixth , although the latter is not produced into any thumb- like process to oppose it , the limb is then said to be sub- chelate , the claw being in that case partial ...
... sixth . When the seventh joint or finger can be folded back upon the sixth , although the latter is not produced into any thumb- like process to oppose it , the limb is then said to be sub- chelate , the claw being in that case partial ...
Pagina 109
... sixth segments dilated , the seventh narrower and truncate . The mystery of these so - called spurious females has been recently explained by Professor Giard . In studying the parasitic Crustacea , as well Isopoda as Rhizocephala , he ...
... sixth segments dilated , the seventh narrower and truncate . The mystery of these so - called spurious females has been recently explained by Professor Giard . In studying the parasitic Crustacea , as well Isopoda as Rhizocephala , he ...
Pagina 111
... sixth joint of its legs much widened , seems to have been specially adapted for ranging about this hirsute and prickly crab , the only place in which it is found . The convenience of the residence may be in- ferred from the fact ...
... sixth joint of its legs much widened , seems to have been specially adapted for ranging about this hirsute and prickly crab , the only place in which it is found . The convenience of the residence may be in- ferred from the fact ...
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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 - 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.