A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 46
Pagina xvii
... neither equal in merit nor uniform in style , I am indebted to Mr. James D. Cooper for the care and skill exhibited in carrying out a task of no mean difficulty . A HISTORY OF RECENT CRUSTACEA THE MALACOSTRACA CHAPTER I OUTLINE.
... neither equal in merit nor uniform in style , I am indebted to Mr. James D. Cooper for the care and skill exhibited in carrying out a task of no mean difficulty . A HISTORY OF RECENT CRUSTACEA THE MALACOSTRACA CHAPTER I OUTLINE.
Pagina 3
... mean value . It is in this class , and in this class only , that the present state of science reckons the number of species not only by scores of thousands but by hundreds of thousands , and even by millions . The class which stands ...
... mean value . It is in this class , and in this class only , that the present state of science reckons the number of species not only by scores of thousands but by hundreds of thousands , and even by millions . The class which stands ...
Pagina 4
... means of the air- tubes called trachea ; most of the Arachnida by means either of trachea or pulmonary sacs known as fan trachea . From all these , therefore , the definition separates the Crustacea in a satisfactory manner , even ...
... means of the air- tubes called trachea ; most of the Arachnida by means either of trachea or pulmonary sacs known as fan trachea . From all these , therefore , the definition separates the Crustacea in a satisfactory manner , even ...
Pagina 6
... mean time four sub - classes may be accepted , under the names Gigantostraca , Malacostraca , Entomostraca , and Thyrostraca . The Gigantostraca , or giant - shells , are the oldest in known lineage , and , as the name implies , fore ...
... mean time four sub - classes may be accepted , under the names Gigantostraca , Malacostraca , Entomostraca , and Thyrostraca . The Gigantostraca , or giant - shells , are the oldest in known lineage , and , as the name implies , fore ...
Pagina 9
... means testaceous insects , bear witness to an era in classification when not only they but all other crustaceans were arranged among the Aptera or insects without wings . As the forms are multitudinous and very frequently microscopic ...
... means testaceous insects , bear witness to an era in classification when not only they but all other crustaceans were arranged among the Aptera or insects without wings . As the forms are multitudinous and very frequently microscopic ...
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.