A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 86
Pagina v
... known that the species of Crustacea extend to a number of several thousands , and that some of these species people parts of the ocean in enormous swarms . Of some of the groups the general character is familiar to every one , but there ...
... known that the species of Crustacea extend to a number of several thousands , and that some of these species people parts of the ocean in enormous swarms . Of some of the groups the general character is familiar to every one , but there ...
Pagina 2
... known oyster , snail , and cuttle - fish ; ( 7 ) the Molluscoidea , containing the mollusc - like lantern - shells , and the grouped animals of the Polyzoa , in some of which the so - called bird's - head ' organs amuse the observer ...
... known oyster , snail , and cuttle - fish ; ( 7 ) the Molluscoidea , containing the mollusc - like lantern - shells , and the grouped animals of the Polyzoa , in some of which the so - called bird's - head ' organs amuse the observer ...
Pagina 3
... known groups . The Pycnogonida ( or Pantopoda ) , the sea - spiders , at one time included in the Crustacea and at another time in the Arachnida , have some remarkable peculiarities , inas- much as the ovaries of the female are found as ...
... known groups . The Pycnogonida ( or Pantopoda ) , the sea - spiders , at one time included in the Crustacea and at another time in the Arachnida , have some remarkable peculiarities , inas- much as the ovaries of the female are found as ...
Pagina 4
... known as fan trachea . From all these , therefore , the definition separates the Crustacea in a satisfactory manner , even though some terrestrial Crus- tacea combine tracheate with branchial respiration . There are , however , some ...
... known as fan trachea . From all these , therefore , the definition separates the Crustacea in a satisfactory manner , even though some terrestrial Crus- tacea combine tracheate with branchial respiration . There are , however , some ...
Pagina 6
... known lineage , and , as the name implies , fore- most in the average of magnitude . They seem to be tending to speedy extinction . The Malacostraca include forms highest in development and of most direct value to mankind . The ...
... known lineage , and , as the name implies , fore- most in the average of magnitude . They seem to be tending to speedy extinction . The Malacostraca include forms highest in development and of most direct value to mankind . The ...
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 - Correspondent of the Institute. With 148 Illustrations. $1.75. 46. THE ORGANS OF SPEECH AND THEIR APPLICATION IN THE FORMATION OF ARTICULATE SOUNDS. By GH VON MBYER, Professor in Ordinary of Anatomy at the University of Zurich.
Pagina ii - THE SENSES, INSTINCTS, AND INTELLIGENCE OF ANIMALS, WITH SPECIAL REFERENCE TO INSECTS. By Sir JOHN LUBBOCK.