A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina xv
... of the second , stilet of the second pleopod , fourth pleopod showing the opercular plate broadside and edgeways , and the peduncle with the bran- chial plate ; uropod . Von Ebner · 413 • 414 6 ILLUSTRATIONS IN THE TEXT 1. The lady in the.
... of the second , stilet of the second pleopod , fourth pleopod showing the opercular plate broadside and edgeways , and the peduncle with the bran- chial plate ; uropod . Von Ebner · 413 • 414 6 ILLUSTRATIONS IN THE TEXT 1. The lady in the.
Pagina 9
... fourth , the Tanaidea , while others , though agreeing to withdraw these animals from their old position among the Isopoda , would prefer to place them among the Amphipods . The need for the change in either direction has not yet been ...
... fourth , the Tanaidea , while others , though agreeing to withdraw these animals from their old position among the Isopoda , would prefer to place them among the Amphipods . The need for the change in either direction has not yet been ...
Pagina 39
... 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 , yield in value to very few of the other ...
... 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 , yield in value to very few of the other ...
Pagina 46
... fourth and fifth pairs are more or less adapted for springing , and bear the name of uropods , or tail - feet . This name is also given to the appendages of the twentieth segment whenever they are present . These are prominent features ...
... fourth and fifth pairs are more or less adapted for springing , and bear the name of uropods , or tail - feet . This name is also given to the appendages of the twentieth segment whenever they are present . These are prominent features ...
Pagina 55
... fourth ( except in Pirimela ) . There are nine pairs of branchia , with their efferent channels opening at the sides of the endostome or palate . The verges of the male are inserted at the bases of the last legs of the trunk . Milne ...
... fourth ( except in Pirimela ) . There are nine pairs of branchia , with their efferent channels opening at the sides of the endostome or palate . The verges of the male are inserted at the bases of the last legs of the trunk . Milne ...
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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 - Jelly-Fish, Star-Fish, and Sea-Urchins. Being a Research on Primitive Nervous Systems. By GJ Romanes.
Pagina i - WARNER, MD, Assistant Physician, and Lecturer on Botany to the London Hospital, etc. With 51 Illustrations. $1.75. 52. ANTHROPOID APES. By ROBERT HARTMANN, Professor in the University of Berlin. With 63 Illustrations. $1.75. New York : D. APPLETON & CO., 1, 3, & 5 Bon/l Street.