A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 41
... branchiæ either not enclosed in a chamber or in one remote from the head , this part of the maxilla is either absent or rudimentary ( see Plates XVI . , XIX . ) . The Crayfish , p . 170. ( The scaphognathite . ) 2 The Norwegian North ...
... branchiæ either not enclosed in a chamber or in one remote from the head , this part of the maxilla is either absent or rudimentary ( see Plates XVI . , XIX . ) . The Crayfish , p . 170. ( The scaphognathite . ) 2 The Norwegian North ...
Pagina 45
... branchiæ or gills , also the plates of the marsupium , wherein , in some groups , the eggs are retained for a time after their discharge from the ovaries ; and again , in some groups , the exopods are developed as swim- ming organs ...
... branchiæ or gills , also the plates of the marsupium , wherein , in some groups , the eggs are retained for a time after their discharge from the ovaries ; and again , in some groups , the exopods are developed as swim- ming organs ...
Pagina 50
... heart which is dorsally placed has lateral openings for the entrance of the blood that has been oxygenated in the branchiæ . These slits are in one , two , SHORT TAILS 51 or three pairs , only in the 50 A HISTORY OF RECENT CRUSTACEA.
... heart which is dorsally placed has lateral openings for the entrance of the blood that has been oxygenated in the branchiæ . These slits are in one , two , SHORT TAILS 51 or three pairs , only in the 50 A HISTORY OF RECENT CRUSTACEA.
Pagina 78
... branchiæ are usually fewer than nine in number ; the efferent channels open at the sides of the endostome . The third maxilli- peds have the fifth joint articulated at the front outer angle of the fourth , or less frequently at its apex ...
... branchiæ are usually fewer than nine in number ; the efferent channels open at the sides of the endostome . The third maxilli- peds have the fifth joint articulated at the front outer angle of the fourth , or less frequently at its apex ...
Pagina 123
... branchiæ open either behind the pterygostomian regions and in front of the chelipeds , or , more rarely , at the antero - lateral angles of the palate ( Leucosiidae ) . The efferent channels open at the middle of the endostome which is ...
... branchiæ open either behind the pterygostomian regions and in front of the chelipeds , or , more rarely , at the antero - lateral angles of the palate ( Leucosiidae ) . The efferent channels open at the middle of the endostome which is ...
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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.