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 chela 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 chela 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 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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Pagina i - Heredity." $1.50. 42. ANTS, BEES, AND WASPS. A Record of Observations of the Habits of the Social Hymenoptera. By Sir JOHN LUBBOCK, Bart., FRS, DCL, LL.D., etc.
Pagina ii - The Historical Method," etc. $1.75. 55. EARTHQUAKES AND OTHER EARTH MOVEMENTS. By JOHN MILNE, Professor of Mining and Geology in the Imperial College of Engineering, Tokio, Japan. With 38 Figures. $1.75.