A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina ix
... appendages 1 · 12 · 24 32 V. Crabs ; their tribes , legions , and families 50 VI . The great eatable crab and its allies 55 VII . The land - crabs , and others of the same tribe 78 VIII . On the ' sharp - snouted ' crabs , and some of ...
... appendages 1 · 12 · 24 32 V. Crabs ; their tribes , legions , and families 50 VI . The great eatable crab and its allies 55 VII . The land - crabs , and others of the same tribe 78 VIII . On the ' sharp - snouted ' crabs , and some of ...
Pagina 2
... appendages attached to some at least of the segments ; which have ( in general ) a brain united to a ventral nerve - cord , or ganglionic chain , and which exhibit bilateral symmetry . None of the other divisions will be found to ...
... appendages attached to some at least of the segments ; which have ( in general ) a brain united to a ventral nerve - cord , or ganglionic chain , and which exhibit bilateral symmetry . None of the other divisions will be found to ...
Pagina 29
... appendages all told , does not exceed , or even equal , a twelfth of an inch . Only the arctic Diastylis Goodsiri ( Bell ) , occasionally yields a Goliath of an inch and two - fifths . In the Isopoda there is a far greater range of size ...
... appendages all told , does not exceed , or even equal , a twelfth of an inch . Only the arctic Diastylis Goodsiri ( Bell ) , occasionally yields a Goliath of an inch and two - fifths . In the Isopoda there is a far greater range of size ...
Pagina 31
... appendages , each an inch long . But the amplitude more usual in the sub - class may be estimated by the respect paid to such a species as Bythotrephes crassicauda , Lilljeborg , 5 mm . long , one of the Cladocera . This is a colossal ...
... appendages , each an inch long . But the amplitude more usual in the sub - class may be estimated by the respect paid to such a species as Bythotrephes crassicauda , Lilljeborg , 5 mm . long , one of the Cladocera . This is a colossal ...
Pagina 33
... appendages . Segments which are not independent in one of the families will be found well articulated in another , and those which can least boast of freedom nevertheless frequently point to an origi- nal independence by some suture or ...
... appendages . Segments which are not independent in one of the families will be found well articulated in another , and those which can least boast of freedom nevertheless frequently point to an origi- nal independence by some suture or ...
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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.