The Proceedings of the Scientific Meetings of the Zoological Society of LondonLongman, Green, Longmans, and Roberts, 1884 |
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Adriatic adult Adventure Bank animal apex apical Azores Azores Talisman band Bay of Biscay Bleeker body British Museum brown caudal Cechce coast collection colour Conchology convex Cryptothele deux femelles distinct Distribution dorsal dorsal fin elytra espèce female février fins fish Fossil genus granules head height inches inferomarginal inner interorbital space Iris brun foncé Islands janvier jeune l'Ecuadeur labium longifrons longitudinal lophial male margin Marocco maxilla median middle millim Miocene nearly ODOSTOMIA oiseaux Oreaster ossicles Otaria outer lip pair Papilio papillæ pectoral peristome Pérou pieds Plate Pliocene Porcupine Porcupine Exp Post-tertiary posterior premolar queue remiges ribs RISSOA roussâtre SCALARIA sculpture Serolis shawi shell Sicydium side skull specimens spines spiral striæ spire spots surface suture tail Talisman teeth tendon third tibiæ total length tubercles Turbo upper jaw upper lip ventral whitish whorls Zool
Popular passages
Page 453 - We see the most diverse forms — a mollusk, a frog, and a • mammal — arising from apparently identical primitive cells, and progressing for a time by very similar initial changes, but thereafter each pursuing its highly complex and often circuitous course of development with unerring certainty, by means of laws and forces of which we are totally ignorant.
Page 451 - And another, which makes a straight many-chambered " test," that resembles in form the chambered shell of an Orthoceratite — the conical mouth of each chamber projecting into the cavity of the next, — while forming the walls of its chambers of ordinary sand-grains rather loosely held together, shapes the conical mouths of the successive chambers by firmly cementing together grains of ferruginous quartz, which it must have picked out from the general mass.
Page 185 - ... four species of the genus, all of which inhabit India and the neighboring islands. It seemed to Mr. Cambridge that the whole phenomenon described is " easily explained by the operation of natural selection, without supposing consciousness in the spider in any part of the process. The web on the surface of the leaf is evidently, so far as the spider has any design or consciousness in the matter, spun simply to secure itself iu the proper position to await and seize its prey.
Page 457 - FRS, President, in the chair. The Secretary read a report on the additions that had been made to the Society's Menagerie during the months of June, July, August, and September, 1891, and called attention to certain interesting accessions which had been received during that period.
Page 146 - ... with a series of numerous slender horizontal teeth, of which sometimes only the extremities are visible; upper jaw with a single uniform series of numerous movable small teeth attached by ligament to edge of maxillary; behind this outer visible series lie numerous other parallel series of young teeth hidden...
Page 21 - Sacramento, where the 8-inch meshes of the innumerable drift nets stopped all the large salmon, and let all the small ones through. The eggs when taken proved to be at least a third smaller than those of most previous years, and the average number to the fish was about 3,500 against 4,200 in the previous year.
Page vi - Mr. A. D. Bartlett read a paper on some singular hybrids of bovine animals bred in the Society's Gardens. — Mr. GE Dobson...
Page 399 - In some cases these appendages had evidently remained on for years, during which the fish had so grown that the iron had become embedded in a thick fleshy formation. In two instances the ring had been inserted in the muscular ' substance at the root of the tail, but generally a simple iron band was welded round the thinnest part of the body a few inches from the tail, which kept it from slipping off. To this was riveted a small movable ring or loop resembling that of a watch-handle. In one case...
Page 246 - An account of the Land and Freshwater Mollusca collected during the Voyage of the 'Challenger' from December, 1872, to May 1876.
Page 452 - modification of consciousness ;" but experiences such as those just adverted to, and others in ourselves to which I shall next advert, show clearly that surrounding agents may act upon our sense organs without the intervention of anything like consciousness, and yet produce effects otherwise similar to those which occur when they do arouse consciousness. Without...