A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 35
... developed upon appendages by nature equivalent to the rest of the series . Any one acquainted only with the ... develop a jointed antenna - like lash , while the com- panion eye remained normal . This evidence is parallel to that on ...
... developed upon appendages by nature equivalent to the rest of the series . Any one acquainted only with the ... develop a jointed antenna - like lash , while the com- panion eye remained normal . This evidence is parallel to that on ...
Pagina 36
... developed . Thus they are short in the crabs , but long in the lobsters and shrimps , and short in the normal Isopods , but long or large as a rule . in the Amphipoda , and within the Amphipoda they are short in the Orchestidæ , a ...
... developed . Thus they are short in the crabs , but long in the lobsters and shrimps , and short in the normal Isopods , but long or large as a rule . in the Amphipoda , and within the Amphipoda they are short in the Orchestidæ , a ...
Pagina 38
... developed , in some instances exceeding in length all the rest of the animal which carries them , the joints of the flagellum or lash being then very numerous . In the Malacostraca the peduncular portion embraces the first five joints ...
... developed , in some instances exceeding in length all the rest of the animal which carries them , the joints of the flagellum or lash being then very numerous . In the Malacostraca the peduncular portion embraces the first five joints ...
Pagina 39
... developed in an animal's ear . 4. The fourth or mandibular segment is of great im- portance , since from this , or from it in conjunction with the preceding segment , the carapace is developed . Its appendages also , the mandibles ...
... developed in an animal's ear . 4. The fourth or mandibular segment is of great im- portance , since from this , or from it in conjunction with the preceding segment , the carapace is developed . Its appendages also , the mandibles ...
Pagina 41
... developed into mouth - organs . 6 6. The second maxillæ , when present , have generally the same thin flattened character as the first , but their structure is often more complicated . Among other pecu- liarities they have in some of ...
... developed into mouth - organs . 6 6. The second maxillæ , when present , have generally the same thin flattened character as the first , but their structure is often more complicated . Among other pecu- liarities they have in some of ...
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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
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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.