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 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 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 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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