Journal of the Marine Biological Association of the United Kingdom, Volumen4Cambridge University Press, 1897 |
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Términos y frases comunes
abundant animals antennæ appear Baltic baskets bottom boxes Brown Ridges carapace Cattegat caudal peduncle caught cent character condition considerable crab dabs depth Dogger Bank dorsal east coast eels examined fact fathoms females fin-rays fish fishery flounder Garstang glacialis grey gurnard Grimsby gurnard haddock hatched haul Heligoland Horn Reef immature inches investigations Journal June landed large number larger largest larvæ latchets latter lemon soles length lobsters Lowestoft mackerel males Marine Biological Association mature miles months naturalists Norfolk coast North Sea northern number of eggs observations obtained occur ovary overboard oysters pigment plankton Plymouth Plymouth Laboratory present rays ripe sample sand sarcostyles September shell side Skagerack small plaice smaller smallest southern spawning species specimens spinulation sponges starfish summer surface Sylt taken temperature total number trawl trawlers tubercles turbot turbot and brill ventral vulgaris yolk
Pasajes populares
Página 178 - On the Pelagic Fauna of the Bay of St. Andrews during the months of 1888.
Página 264 - Mammiferes, was still young : it measured two feet eight inches, from the end of the snout to the tip of the tail ; and the length of this member was three and a half inches.
Página 395 - For prohibiting or regulating the deposit or discharge of any solid or liquid substance detrimental to sea fish or sea fishing; and (g) For repealing or amending any byelaw made by the fishery district committee in pursuance of this Act.
Página 2 - America, where accurate researches may be carried on leading to the improvement of zoological and botanical science, and to an increase of our knowledge as regards the food, life, conditions and habits of British food fishes, and molluscs in particular, and the animal and vegetable resources of the sea in general.
Página 209 - ... on the west coast is the important bearing which the success of the experiment must have in determining the outcome of artificial propagation in regions in which it is not possible to distinguish with satisfactory accuracy the natural from the artificial conditions. If these far-reaching, and no doubt permanent, results attend the planting, on few occasions, of small numbers of fry in waters to which the fish are not indigenous, is it not permissible to assume that much more striking consequences...
Página 182 - Now every legislative restriction means the creation of a new offence. In the case of fishery it means that a simple man of the people, earning a scanty livelihood by hard toil, shall be liable to fine or imprisonment for doing that which he and his fathers before him have, up to that time, been free to do. If the general interest clearly requires that this burden should be put upon the fishermen — well and good.
Página 379 - The abysses of the sea are the spawning places of the Common Eel : its eggs float in the sea water. In developing from the egg, it undergoes a metamorphosis, that is to say, passes through a larval form denominated Leptocephalus brevirostris. What length of time this development requires is...
Página 153 - ... of coenosarc, which rapidly formed a stronger and permanent connection. The perisarc of the edges of the leaves seemed exceedingly thin, and in places appeared to be wanting. A contact having been established between the edges of adjacent leaves, the permanent attachment was soon formed, and the coelomic cavities of the leaves established connections at these points. A little later, currents of water bearing granules were seen to flow in active streams from one leaf to the other.
Página 379 - Orthagoriscus mola, appears very rarely; fifth, I am inclined to believe that the elvers ascending our rivers are already one year old, and I have observed that in an aquarium specimens of L. brevirostris can transform themselves into young elvers in one month's time.
Página 213 - The prevention of destructive methods of fishing in the territorial and contiguous waters of the United States and Canada respectively, and also in waters outside the territorial limits of either country.