A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 5
... covering of more or less flexibility , were distinguished by the ancients from the Testacea , in which the test , as in the example of an oyster- shell , is hard and rocky , and like a potsherd more ready to break than to bend . Dr ...
... covering of more or less flexibility , were distinguished by the ancients from the Testacea , in which the test , as in the example of an oyster- shell , is hard and rocky , and like a potsherd more ready to break than to bend . Dr ...
Pagina 6
... covering of any considerable toughness , it is little applicable to some of the parasitic members of the class , but in general much more confusion than advantage follows from the dis- placing of long - established names in the effort ...
... covering of any considerable toughness , it is little applicable to some of the parasitic members of the class , but in general much more confusion than advantage follows from the dis- placing of long - established names in the effort ...
Pagina 23
... covered some thirty years back , that a remarkable marine fauna existed , and the inference ingeniously drawn from a review of all the connected facts has been , that these sheets of water were at one time part of the sea , but have ...
... covered some thirty years back , that a remarkable marine fauna existed , and the inference ingeniously drawn from a review of all the connected facts has been , that these sheets of water were at one time part of the sea , but have ...
Pagina 32
... covered by the carapace . It is a matter of opinion whether the full number of true segments should be reckoned as twenty or twenty - one , since that which is called the telson , and which is regarded by many authors as the terminal ...
... covered by the carapace . It is a matter of opinion whether the full number of true segments should be reckoned as twenty or twenty - one , since that which is called the telson , and which is regarded by many authors as the terminal ...
Pagina 51
... covering at least some part of the trunk and sometimes all of it . The above characters will suffice for a descriptive defi- nition of the Malacostraca , but it may be proper to remind the reader that the segments are sometimes so ...
... covering at least some part of the trunk and sometimes all of it . The above characters will suffice for a descriptive defi- nition of the Malacostraca , but it may be proper to remind the reader that the segments are sometimes so ...
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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.