A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina xvii
... 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 RECENT OF CRUSTACEA THE MALACOSTRACA CHAPTER I OUTLINE A surprising multitude of shrimps and prawns.
... 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 RECENT OF CRUSTACEA THE MALACOSTRACA CHAPTER I OUTLINE A surprising multitude of shrimps and prawns.
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 tracheæ or pulmonary sacs known as fan tracheæ . 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 tracheæ or pulmonary sacs known as fan tracheæ . 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 ...
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Termeni și expresii frecvente
adult Amphipoda animal Anomura apex appendages basal joint Bate and Westwood Beddard belong Brachyura branchiæ branchial branchial cavity Budde-Lund carapace character chelate chelipeds crab Crustacea Cumacea Dana described developed distinct distinguished Dollfus dorsal epipod exopod eye-stalks eyes Fabricius fathoms female fifth joint fifth pair five pairs flagella flagellum Fritz Müller front genera genus Giard and Bonnier gnathopods Haan inch inner branch Isopoda Kossmann Kröyer larvæ larval last pair Latreille Leach limbs Linn Macrura Malacostraca male mandibles margin maxillæ Miers Milne-Edwards Mysis outer branch pair of legs pair of trunk-legs pairs of pleopods palp parasitic peduncle peræon peræopods pleon pleopods preceding Risso rostrum rudimentary S. I. Smith Sars second antennæ second joint second maxillipeds setæ seventh joint 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
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Pagina i - Heredity." $1.50. 42. ANTS, BEES, AND WASPS. A Record of Observations of the Habits of the Social Hymenoptera. By Sir JOHN LUBBOCK, Bart., FRS, DCL, LL.D., etc.
Pagina ii - The Historical Method," etc. $1.75. 55. EARTHQUAKES AND OTHER EARTH MOVEMENTS. By JOHN MILNE, Professor of Mining and Geology in the Imperial College of Engineering, Tokio, Japan. With 38 Figures. $1.75.