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Abel's Abel's theorem acid Agassiz algebraical alisphenoid anatomist animals appears articulated barometer Belfast birds bones bony canal cartilaginous centres centrum character Christiania coal coalesced connected Cork cranial cranium Crelle's Journal crocodile curves Cuvier determined distinct diverging appendage elements elliptic functions elliptic integrals endoskeleton equation ethmoid exoccipital experiments feet fishes fluid force Fossiles frontal Geoffroy haemal arch haemal spine haemapophysis homology inches iron Jacobi London magnetic mammals mastoid memoir Meteorological modifications motion nasal nerves neural arch neural spine neurapophyses notochord observations obtained occipital olfactory orbitosphenoids Orkneys osseous ossified parapophyses parietal Paris petrosal phaenomena plates Plymouth posterior slope prefrontals present pressure Prof Professor quantity relation remarkable Report reptiles ribs scapula segment skull slag slope of crest special homology species squamosal surface theorem theory tion tons trough tube tympanic velocity vertebra vomer wave William
الصفحة v - To give a stronger impulse and a more systematic direction to scientific inquiry, — to promote the intercourse of those who cultivate Science in different parts of the British Empire, with one another, and with foreign philosophers, — to obtain a more general attention to the objects of Science, and a removal of any disadvantages of a public kind, which impede its progress.
الصفحة v - Committees, of Philosophical Institutions, shall be entitled, in like manner, to become Members of the Association. All Members of a Philosophical Institution recommended by its Council or Managing Committee, shall be entitled, in like manner, to become Members of the Association. Persons not belonging to such Institutions shall be elected by the General Committee or Council, to become Life Members of the Association, Annual Subscribers, or Associates for the year, subject to the approval of a General...
الصفحة 108 - Orleans, in which the bottom of the alluvial matter is said not to have been reached. The area of the delta being about 13,600 square statute miles, and the quantity of solid matter annually brought down by the river 3,702,758,400 cubic feet, it must have taken 67,000 years for the formation of the whole...
الصفحة 173 - Analogue, a part or organ in one animal which has the same function as another part or organ in a different animal. Homologue, the same organ in different animals under every variety of form and function.
الصفحة 255 - ... issue at their interspaces. The neurapophyses, which do not advance beyond the cartilaginous stage in the sturgeon, consist in that fish of two distinct pieces of cartilage; and the anterior pleurapophyses also consist of two or more cartilages, set end on end...
الصفحة 111 - No. 13), we shall find ourselves in possession of means for making iron much beyond what have at any previous time existed, and very greatly beyond any probable demand to arise from other and existing channels of employment at home, or from foreign countries. The price will consequently fall, as it has done at former times and under analogous circumstances. We shall then find that this metal will again be employed in uses from which it may have been excluded by the previous high price. From the improvements...
الصفحة 109 - England ; all have arrived at the same conclusion respecting the great antiquity of the globe, and that too in opposition to their earlier prepossessions, and to the popular belief of their age.
الصفحة 240 - He becomes the true discoverer who establishes the truth : and the sign of the proof is the general acceptance. Whoever, therefore, resumes the investigation of a neglected or repudiated doctrine, elicits its true demonstration, and discovers and explains the nature of the errors which have led to its tacit or declared rejection, may calmly and confidently await the acknowledgments of his rights in its discovery.
الصفحة xxv - Shells 20 О О Exotic Anoplura.. 1843 10 О О Vitality of Seeds.. 1843 207 Vitality of Seeds.. 1844 700 Marine...
الصفحة 173 - ... its general homology is enunciated. If it be admitted that the general type of the vertebrate endo-skeleton is rightly represented by the idea of a series of essentially similar segments succeeding each other longitudinally from one end of the body to the other, such segments being for the most part composed of pieces similar in number and arrangement, and though sometimes extremely modified for special functions, yet never so as to wholly mask their typical character, — then any given part...