A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 67
Pagina 36
... outer side the exopodite . For these terms the shortened forms exopod and endopod will here be preferred - exopod for exopodite , endopod for endopodite and protopodite combined - and peduncle will be used for a variable number of basal ...
... outer side the exopodite . For these terms the shortened forms exopod and endopod will here be preferred - exopod for exopodite , endopod for endopodite and protopodite combined - and peduncle will be used for a variable number of basal ...
Pagina 37
... not found at all , in others it is only rudimentary , whereas , on the other hand , among the Macrura it is not unfrequently much longer than the outer flagellum . Mr. Spence Bate suggests that its function may consist in pro-
... not found at all , in others it is only rudimentary , whereas , on the other hand , among the Macrura it is not unfrequently much longer than the outer flagellum . Mr. Spence Bate suggests that its function may consist in pro-
Pagina 38
... outer branch . In some genera of the Macrura , for example Palamon and Alpheus , the principal flagellum divides at some distance from its base into two branches . In the Squillidæ , also , there are three flagella . 3. The third ...
... outer branch . In some genera of the Macrura , for example Palamon and Alpheus , the principal flagellum divides at some distance from its base into two branches . In the Squillidæ , also , there are three flagella . 3. The third ...
Pagina 41
... outer side , frequently termed the flabellum or fan , and compared by Milne - Edwards to a ventilating register ( see Plate XI . ) . This species of valve is in constant and rapid vibration , in most cases forcing the water which has ...
... outer side , frequently termed the flabellum or fan , and compared by Milne - Edwards to a ventilating register ( see Plate XI . ) . This species of valve is in constant and rapid vibration , in most cases forcing the water which has ...
Pagina 65
... outer angle of the orbit does not project laterally beyond the teeth of the antero - lateral margin , of which more than one , usually from five to nine , are developed . The last legs of the trunk are commonly adapted for swimming ...
... outer angle of the orbit does not project laterally beyond the teeth of the antero - lateral margin , of which more than one , usually from five to nine , are developed . The last legs of the trunk are commonly adapted for swimming ...
Alte ediții - Afișează-le pe toate
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.