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Nature01.01.1874
  • Datum
    Donnerstag, 01. Januar 1874
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 1
[...] Day had drawn attention to the destruction of fish by various kinds of crocodiles, very properly recommending that rewards should be paid for their eggs. To this one of the officials replies —“Waging war against such fish destroying animals as crocodiles appears to me absurd. [...]
Nature01.02.1877
  • Datum
    Donnerstag, 01. Februar 1877
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 3
[...] 15 alkalised hay-infusons, 5 pieces of boiled egg-albumen in water, I piece of turnip in water, 2 diluted ascitic fluid, [...]
[...] formation of zeoliths (chabasie, christianite) under the influence of thermal springs in the environs of Oran (Algeria), by M. Daubrée.—On the structure of the calcareous shells of eggs and the characters which may be inferred from it, by M. Gervais. This inquiry was suggested by the discovery of a few egg-like [...]
[...] fragments in some beds of detritus at Rognac in Provence, b M. Matheron. From comparison the author thinks these fossil eggs did not belong to a bird but to a reptile ; the structure of the shell closely resembles that of certain Emydosaurions. And this reptile, if really M. Matheron's Hypselosaurus, as seems [...]
Nature01.04.1875
  • Datum
    Donnerstag, 01. April 1875
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 8
[...] they are, a very few years would exhaust even the pro ductive cod banks of Newfoundland. As regards salmon, the percentage of eggs which come to life and yield fish is pretty well known, as is also the percentage of young fish which is destroyed. The num [...]
[...] ber of salmon (Salmo salar) which escape infantile perils and become reproductive is very small, not ten per cent. Out of every hundred eggs spawned in the natural state, it may be calculated that at least one-third escape the action of the fecundating milt, that another third never, [...]
[...] salmon river, what must it not be in the ravening depths of the ocean : A large cod-fish we know yields more than a million of eggs, but when we consider the fact of these eggs being entrusted to the boisterous waves of the sea, we have little hope that the yield of [...]
[...] purposes, by means of bunches of grass and soft matting. These, it is known, become the recipients of large num bers of fish eggs, and are easily removed to other waters ; which, being barren of fish, are in this mode repopulated. There cannot, we think, be a doubt that various fishes [...]
[...] lierring (C/u/ea harengus), and probably all its con geners (but this is not quite certain), spawn on the bottom, and the eggs remain there, adhering in masses to the rocks and stones. The eggs of the salmon, we know, when not washed away during deposition by flooded [...]
[...] emit their spawn in the same manner, whatever future direction it may take in the way of motion. All the fish eggs which we have seen gathered from the surface of the water were almost at maturity ; and the late Mr. Robert Buist, of the Tay fisheries, informed the writer that he had [...]
[...] water were almost at maturity ; and the late Mr. Robert Buist, of the Tay fisheries, informed the writer that he had seen salmon eggs, as the time approached for the eclosion of the fish, rise to the top of the water in the breeding boxes at Stormontfield, but they always saviž again before [...]
[...] of Puzzola, by M. S. de Luca. —A reply to two recent commu nications of M. Béchamp, relative to spontaneous alterations of eggs, by M. U. Gayon.—Observation of the liſe of Heloderma horridum, Wiegmann, by M. Sumichrast, reported by M. Bocourt.—On the helminthological fauna of the coasts of Brit [...]
Nature01.05.1873
  • Datum
    Donnerstag, 01. Mai 1873
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 2
[...] plied, “sweated away” to suit the minor offenders, and the Act is almost a dead letter. Mr. Herbert, on the 21st of June last, laid a cuckoo's egg in the carefully built nest of the British Association Committee, and the produce is a useless monster—the wonder alike of the [...]
[...] Literary and Philosophical Society, April 15.-R. Angus Smith, F.R.S., vice-president, in the chair.-Mr. Francis Nicholson exhibited two fine eggs of the golden eagle (Falco chrysaetos) taken the previous week from a nest in the north of Scotland. For [...]
Nature01.06.1876
  • Datum
    Donnerstag, 01. Juni 1876
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 1
[...] Fowls, although they occur in the villages, are but sel dom eaten ; and, as they exist in a semi-wild state, their eggs are not often to be obtained. During a stay of fif teen months Dr. Maclay only saw two eggs in the various villages which he visited. [...]
Nature01.07.1875
  • Datum
    Donnerstag, 01. Juli 1875
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 8
[...] THE most interesting objects which attract attention at the Southport Aquarium just now are the eggs of the Rough Hound (S/ualus catulus), which were deposited in the tanks about the beginning of December of last year. All the eggs seem to be [...]
[...] distinctly traced, and possibly only a short interval will clapse before they are completely free. Mr. Long anticipates a similar result from the eggs of the Skate (Alaia batis) deposited in February last. The fine Sturgeon about eight fect long, and about thirty specimens of the Sea-horse (////ocampus brevi. [...]
[...] ding to Haeckel, no higher morphological value than the “pore canals” in the wall of many animal and plant-cells, or the micropyle in that of many egg-cells. Kölliker had already compared them to the excretory canal of unicellular glands. Since, therefore, they do not admit of being homologically [...]
[...] Following Balbiani, they regard it as an ovary; and to the frag ments into which it breaks up they assign the significance of eggs; while the so-called nucleolus, which lies outside the nucleus, is, as we have seen, believed to be a testis in which spermatozoa are developed for the fecundation of the eggs. [...]
[...] to them the nature of true spermatozoa. As Haeckel remarks, however, even though the so-called nucleolus be really a testis fecundating the eggs or fragments derived from the breaking up of the nucleus, this would afford no valid argument against the unicellularity of the Infusoria, for [...]
[...] by all that we know of their development. In all the animal types which stand above the Protozoa, the multicellular organism is developed out of the simple egg cell by the characteristic pro cess of segmentation, and the cell masses so arising differentiate themselves into two layers—the endoderm and the ectoderm, or [...]
[...] develop germ lamellae, and never possess a true intestinal cavity; the latter, which include all the other types of the animal king. dom, present a true segmentation of the egg cell, have all two primary germ lamellae—endoderm and ectoderm—a true intes tine formed from the endoderm, and a true epidermis from the [...]
[...] not seen by Balbiani, and though he observed two individuals in conjugation by their opposed oral surfaces, he never witnessed anything like the formation of eggs or embryos. I believe I have now laid before you the principal additions which during the last few years have been made to our knowledge [...]
Nature01.08.1872
  • Datum
    Donnerstag, 01. August 1872
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 1
[...] ral term for all forms of albuminoid matter—an extension of the meaning of the word which is certainly not justifiable. Few would be inclined to call the boiled white of an egg, or coagulated fibrin, protoplasm. Yet upon this definition of the word Dr. Nicholson bases an argument against the [...]
Nature01.09.1870
  • Datum
    Donnerstag, 01. September 1870
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 4
[...] covered by the violent barking of a little dog who was puzzled and alarmed by the apparition of so strange a visitor. Both specimens were fed on raw eggs and chopped raw beef, and seemed to thrive. Besides observations of this sort, Mr. Adams's readers will find scattered through [...]
[...] the ancient black rat of Britain.-T. H. Potts exhibited chicks a few days old of Anarhynchus frontalis, showing the character istic crooked bill, and also the eggs and manner of nidification, along with those of Charadrius bicinctus ; completely establishing the marked difference between the two birds.-W. T. L. [...]
[...] Grebe in New Zealand. He has reason to think that they pair for life, and stated that they make additions to the height of their nests, as inundation takes place, but that the eggs will retain their vitality though immersed in water for a considerable time, and inferred that this might have some connection with the [...]
[...] coloured mucous layer with which the shell becomes coated during incubation.—Dr. Hector said he had ſound the nest con taining eggs in a tidal lagoon, where it must have risen and fallen with the tide. The eggs were not discoloured. He also exhibited a dusky variety of the bird along with its chick, which is [...]
Nature01.10.1874
  • Datum
    Donnerstag, 01. Oktober 1874
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 1
[...] there is always found a white grub feeding upon the material thus gathered, perhaps the larva of a large fly which has been observed to stand upon the edge of the tube and drop an egg within it. Soon after the full development of the leaf the upper portion becomes brown and shrivelled, which is due to still [...]
Nature01.12.1870
  • Datum
    Donnerstag, 01. Dezember 1870
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 2
[...] experiments with many thousands of larvae of this species, I have come to the conclusion that these variations are in a great measure hereditary, that one brood of eggs will produce moths of forms in a great measure identical, if the parents be of the ordinary type; if the eggs be the produce of moths of extreme [...]
[...] of insects taken near Selby, including Cerura winula, Triphana fimbria, Argynnis faſhia, and Saturnia campuni. In oology, Mr. Coates brought the nest and egg of the ring ousel found at Ilkley.—Mr. Beevers and Mr. Taylor were the principal exhi bitors in the conchological branch, Mr. Beevers exhibiting Unio [...]
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