Annals & Magazine of Natural HistoryTaylor & Francis, Limited, 1855 |
Contents
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Common terms and phrases
abdomen animal antenna appears axis B. H. Hodgson Beng Beyrichia bill bill black bird Blyth body branches branchiæ branchial bristles British brown carapace carpels cavity centre characters Chinese wax Chiton cilia cilium Cloudy colour Crustacea described distinct dorsal edge eggs embryo Entomostraca existence external extremity feathers ferruginous fish flowers front Gasteropods genera genus gills gonidia gonidial cell gonidium Gray green disks Hist Hodgson inch insect internode larvæ latter layer leaves length lenticels lines lobes mantle margin membrane Mollusca mollusks mucus-layer Museum nature nearly Nepal nest observations operculum organs pair pale Pedipalpi peristome Philyra plants portion posterior present Rain A.M. remarkable resemblance ridge round seen segments shell shoot side Silurian species specimens stem structure surface tail terminal Testâ tion tree tubercles upper valve vegetable individual ventral vesicle whole wing
Popular passages
Page 256 - Müsset im Naturbetrachten Immer eins wie alles achten; Nichts ist drinnen, nichts ist draußen: Denn was innen das ist außen. So ergreifet ohne Säumnis Heilig öffentlich Geheimnis. Freuet euch des wahren Scheins, Euch des ernsten Spieles: Kein Lebendiges ist ein Eins, Immer ist's ein Vieles.
Page 186 - Every species has come into existence coincident both in space and time with a pre-existing closely allied species.
Page 190 - how the extinct species have from time to time been replaced by new ones down to the very latest geological period, is the most difficult, and at the same time the most interesting problem in the natural history of the earth...
Page 208 - Rhizopods, by the entanglement and drawing in of minute vegetable particles, through the instrumentality of the pseudopodia ; and that the addition of new zones probably takes place by the extension of the sarcode through the marginal pores, so as to form a complete annulus, thickened at intervals into segments, and narrowed between these into connecting stolons, the shell being probably produced by the calcification of their outer portions. And this view he supports by the results of the examination...
Page 186 - If the law above enunciated be true, it follows that the natural series of affinities will also represent the order in which the several species came into existence, each one having had for its immediate antitype a closely allied species existing at the time of its origin.
Page 188 - Such phenomena as are exhibited by the Galapagos Islands, which contain little groups of plants and animals peculiar to themselves, but most nearly allied to those of South America, have not hitherto received any, even a conjectural explanation.
Page 187 - ... and they often occur in different countries, or are found fossil in different formations. They are said to have an analogy to each other when they are so far removed from their common antitype as to differ in many important points of structure, while they still preserve a family resemblance. We thus see how difficult it is to determine in every case whether a given relation is an analogy or an affinity, for it is evident that as we go back along the parallel or divergent series, towards the common...
Page 207 - ... classification of which there is consequently no safe basis, the author has undertaken a careful study of some of its chief typical forms, in order to elucidate (so far as may be possible) their history as living beings, and to determine the value of the characters which they present to the systematist. In the present memoir, he details the structure of one of the lowest of these types, Orbitolites, with great minuteness ; his object having been, not merely to present the results of his investigations,...
Page 208 - ... and that other bodies, enclosed in firm envelopes, which he has more rarely met with, but which seem to break their way out of the superficial cells, may be ova.
Page 195 - Abortive stamens, rudimentary floral envelopes and undeveloped carpels, are of the most frequent occurrence. To every thoughtful naturalist the question must arise, What are these for ? What have they to do with the great laws of creation ? Do they not teach us something of the system of Nature ? If each species has been created independently, and without any necessary relations with pre-existing species, what do these rudiments, these apparent imperfections mean ? There must be a cause for them...