A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 13
... simple and solid foundation for all subsequent study in the realm of carcinology . The novice , however , need not be dependent on the fishmonger for specimens . In cellars , gardens , hedges and ditches , under flat stones , in dry ...
... simple and solid foundation for all subsequent study in the realm of carcinology . The novice , however , need not be dependent on the fishmonger for specimens . In cellars , gardens , hedges and ditches , under flat stones , in dry ...
Pagina 21
... simple means . By the use of the towing - net from a boat , espe- cially after sunset in warm and calm weather , numerous larval forms of Crustacea are to be obtained , as well as adult forms of various orders . By dredging in a few ...
... simple means . By the use of the towing - net from a boat , espe- cially after sunset in warm and calm weather , numerous larval forms of Crustacea are to be obtained , as well as adult forms of various orders . By dredging in a few ...
Pagina 34
... simple or complicated , may be connected with the mouth - organs or limbs of the trunk or both , or else with the swimming organs of the tail - part , commonly called the pleon . These and other curious modifications are largely made ...
... simple or complicated , may be connected with the mouth - organs or limbs of the trunk or both , or else with the swimming organs of the tail - part , commonly called the pleon . These and other curious modifications are largely made ...
Pagina 105
... simple or bifid , sometimes very short . The chelipeds never have the fingers excavate at the tips . The walking legs are sometimes very long . In both sexes the number of distinct segments of the pleon varies from four to seven . To ...
... simple or bifid , sometimes very short . The chelipeds never have the fingers excavate at the tips . The walking legs are sometimes very long . In both sexes the number of distinct segments of the pleon varies from four to seven . To ...
Pagina 106
... simple . This beak is very long and serrate on the edges . The carapace is not spinous . The chelipeds in the male ... simple claws , while the last two pairs are didactyle , that is to say , chelate . In 1793 Fabricius said of his ...
... simple . This beak is very long and serrate on the edges . The carapace is not spinous . The chelipeds in the male ... simple claws , while the last two pairs are didactyle , that is to say , chelate . In 1793 Fabricius said of his ...
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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.