Aspects of Deep Sea BiologyPhilosophical Library, 1954 - 380 pagine |
Dall'interno del libro
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Pagina 102
... muscles and rear atrial muscles are antagonistic , the former closing and the latter opening the inhalant and exhalant openings respectively during the contraction of the main body muscles which squeeze out a propulsive water jet ...
... muscles and rear atrial muscles are antagonistic , the former closing and the latter opening the inhalant and exhalant openings respectively during the contraction of the main body muscles which squeeze out a propulsive water jet ...
Pagina 105
... muscles . The latter bring about the flow of water into and out of the mantle cavity , a compartment on the underside of the animal containing two feathery gills . On relaxa- tion of the circular muscles and contraction of the ...
... muscles . The latter bring about the flow of water into and out of the mantle cavity , a compartment on the underside of the animal containing two feathery gills . On relaxa- tion of the circular muscles and contraction of the ...
Pagina 144
... muscles : other muscles impart a similar move- ment to the gill arches . During these movements the hyoid bars , from which spring the rays of the gill membranes ( which are attached by their hinder ends to the suspensory bones of the ...
... muscles : other muscles impart a similar move- ment to the gill arches . During these movements the hyoid bars , from which spring the rays of the gill membranes ( which are attached by their hinder ends to the suspensory bones of the ...
Sommario
Preface Page | 11 |
The growth of deep sea biology | 13 |
Means of exploring the ocean | 29 |
Copyright | |
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abundant adult Antarctic arrow-worms bathypelagic Beebe Bermuda biology body bottom waters Brauer brotulids catch cells cephalopods ceratioid Chauliodus sloani coccolithophores Copenhagen copepods creatures crustaceans Cyclothone Dana-Rep deep ocean deep scattering layers deep waters deep-sea fishes deep-sea floor deep-water depths developed diatoms distribution dredging echo-sounding environment euphausiids Expedition eyes fauna feeding female float gelatinous genus gland Gonostoma gonostomatids hatchet-fishes hauls Hjort inches long invertebrates lantern-fishes larvae lateral line lateral line organs length levels light organs living space luminescent luminous macrourids male Mediterranean metres Michael Sars mid-water migrations Murray muscles Myctophidae Myctophum nets North Atlantic number of species oozes oxygen pattern pelagic peridinians photophores plankton planktonic animals plants Plate prawns prey pteropods Radiolaria rat-tails region retina salps sea water siphonophores sound spawning squid stomach Stomias stomiatoid fishes subtropical surface waters swim swim-bladder temperature tissue towed trawl tropical underwater upper vertical water masses