A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 2
... shells , and the grouped animals of the Polyzoa , in some of which the so - called bird's - head ' organs amuse the observer ; ( 8 ) the Tunicata , the tunic - clad or mantled animals , com- prising the Ascidians , whether tough ...
... shells , and the grouped animals of the Polyzoa , in some of which the so - called bird's - head ' organs amuse the observer ; ( 8 ) the Tunicata , the tunic - clad or mantled animals , com- prising the Ascidians , whether tough ...
Pagina 5
... shell . Lobster is crustaceous , oyster testaceous . ' The same dic- tionary defines and illustrates the word crab as follows : ' A crustaceous fish . 6 ' Those that cast their shell are , the lobster , the crab , the crawfish , the ...
... shell . Lobster is crustaceous , oyster testaceous . ' The same dic- tionary defines and illustrates the word crab as follows : ' A crustaceous fish . 6 ' Those that cast their shell are , the lobster , the crab , the crawfish , the ...
Pagina 6
... shells , are the oldest in 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 ...
... shells , are the oldest in 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 ...
Pagina 7
... shells harder instead of softer than those of some Mollusca . In some Malacostraca the integument has ceased to be of the nature of a shell , a parasitic habit having cancelled the need for such a defence . Moreover , the term suggests ...
... shells harder instead of softer than those of some Mollusca . In some Malacostraca the integument has ceased to be of the nature of a shell , a parasitic habit having cancelled the need for such a defence . Moreover , the term suggests ...
Pagina 10
... shells , are widely different both from the Podocopa and the rest of the Ostracoda . Three sub - orders are formed : ( 1 ) the Gnathostoma , having the mouth well provided with jaws ; ( 2 ) the Poecilostoma , in which the mouth varies ...
... shells , are widely different both from the Podocopa and the rest of the Ostracoda . Three sub - orders are formed : ( 1 ) the Gnathostoma , having the mouth well provided with jaws ; ( 2 ) the Poecilostoma , in which the mouth varies ...
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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 - 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.