A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina 11
... extremely abundant in bygone ages , and the natu- ralists of the Challenger were continually in hopes that they might obtain a living specimen or two from hitherto unexplored abysses of ocean . But extinction appears to have done its ...
... extremely abundant in bygone ages , and the natu- ralists of the Challenger were continually in hopes that they might obtain a living specimen or two from hitherto unexplored abysses of ocean . But extinction appears to have done its ...
Pagina 18
... extremely scarce . The very genus Ethusa , with its sub - genus or neighbouring genus Ethu- sina , seems to apologise for frequenting levels beneath its 6 SPECIMENS IN THE DEEP SEA 19 natural rank by 18 A HISTORY OF RECENT CRUSTACEA.
... extremely scarce . The very genus Ethusa , with its sub - genus or neighbouring genus Ethu- sina , seems to apologise for frequenting levels beneath its 6 SPECIMENS IN THE DEEP SEA 19 natural rank by 18 A HISTORY OF RECENT CRUSTACEA.
Pagina 35
... extremely short - stalked eyes of some of the crabs might be excused for thinking this view extravagant , but its improbability is lessened when we observe the long - stalked eyes of the Angular Crab , Gonoplax rhomboides ( Linn ...
... extremely short - stalked eyes of some of the crabs might be excused for thinking this view extravagant , but its improbability is lessened when we observe the long - stalked eyes of the Angular Crab , Gonoplax rhomboides ( Linn ...
Pagina 39
... extremely , but are for the most part of powerful structure . Their edges meet over the mouth - opening between the upper lip and the lower . The trunk of the mandible is frequently massive , with a projecting , finely denticulate ...
... extremely , but are for the most part of powerful structure . Their edges meet over the mouth - opening between the upper lip and the lower . The trunk of the mandible is frequently massive , with a projecting , finely denticulate ...
Pagina 45
... extremely efficient . The possession of chelæ is not con- fined to the first pair of so - called peræopods , although it is seldom elsewhere that they attain a monstrous develop- ment . They may occur on any of the pairs , and on ...
... extremely efficient . The possession of chelæ is not con- fined to the first pair of so - called peræopods , although it is seldom elsewhere that they attain a monstrous develop- ment . They may occur on any of the pairs , and on ...
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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 - 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.