A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina x
... Genera of the Oniscidæ 426 Genera of the Armadillididæ 433 LIST OF ILLUSTRATIONS PLATE I. To face p . 25 X CONTENTS.
... Genera of the Oniscidæ 426 Genera of the Armadillididæ 433 LIST OF ILLUSTRATIONS PLATE I. To face p . 25 X CONTENTS.
Pagina 15
... genera , and they will in any case afford similar facilities for study . The traveller would do well to remember that kinds easy to collect abroad or cheap to buy in foreign markets will probably be rare in his own country , and that ...
... genera , and they will in any case afford similar facilities for study . The traveller would do well to remember that kinds easy to collect abroad or cheap to buy in foreign markets will probably be rare in his own country , and that ...
Pagina 38
... 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 segment carries the outer ...
... 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 segment carries the outer ...
Pagina 56
... genera , some widely and conspicuously distinct , others separated by fine and almost inappreciable differences . Thus Mr. Miers observes of Xantho ( Leach , 1813 ) , that it is connected by almost insensible gradations on the one hand ...
... genera , some widely and conspicuously distinct , others separated by fine and almost inappreciable differences . Thus Mr. Miers observes of Xantho ( Leach , 1813 ) , that it is connected by almost insensible gradations on the one hand ...
Pagina 57
... genera , and these in turn are raised to the rank of genera , and sometimes eventually to higher grades in the system . At each successive improvement there comes a displace- ment of the old names , and for the accurate designation of ...
... genera , and these in turn are raised to the rank of genera , and sometimes eventually to higher grades in the system . At each successive improvement there comes a displace- ment of the old names , and for the accurate designation of ...
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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.