A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 36
... joints . In the first antennæ the peduncle consists , as already stated , of three joints , and by this circumstance the rule which widely prevails elsewhere that the so - called protopodite ends with the second joint of an appendage is ...
... joints . In the first antennæ the peduncle consists , as already stated , of three joints , and by this circumstance the rule which widely prevails elsewhere that the so - called protopodite ends with the second joint of an appendage is ...
Pagina 38
... joints of the flagellum or lash being then very numerous . In the Malacostraca the peduncular portion embraces the ... joint of the peduncle , is not unfrequently soldered to the wall of the head , and very often carries a tubercle in ...
... joints of the flagellum or lash being then very numerous . In the Malacostraca the peduncular portion embraces the ... joint of the peduncle , is not unfrequently soldered to the wall of the head , and very often carries a tubercle in ...
Pagina 39
... joint of an appendage , it is argued that the trunk of the mandible must represent the first joint . But to this it may be answered that the exceptional out- growth just mentioned is perhaps not an exopod , and that at any rate in the ...
... joint of an appendage , it is argued that the trunk of the mandible must represent the first joint . But to this it may be answered that the exceptional out- growth just mentioned is perhaps not an exopod , and that at any rate in the ...
Pagina 40
... joints , or even of the first three or four joints . The latter supposition would explain the circumstance above noticed that its ' palp ' or terminal portion in the Malacostraca never exceeds the number of three joints , though it may ...
... joints , or even of the first three or four joints . The latter supposition would explain the circumstance above noticed that its ' palp ' or terminal portion in the Malacostraca never exceeds the number of three joints , though it may ...
Pagina 41
... joint of an appendage , or else that it may be a combination of the epipod of the first joint with the exopod of the second.1 Professor Sars re- gards it as the exopod , 2 while Dr. Hansen considers that it springs from the third joint ...
... joint of an appendage , or else that it may be a combination of the epipod of the first joint with the exopod of the second.1 Professor Sars re- gards it as the exopod , 2 while Dr. Hansen considers that it springs from the third joint ...
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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 - 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.