Though on this account and because the subdivisions Simplices, Gradatae and Mixtae do not correspond to definite phylogenetic groups, they have not been used in classifying the Ferns above; they are of great importance as an advance towards a natural classification.
In classifying closed chain compounds, the first step consists in dividing them into: (1) carbocyclic, in which the ring is composed solely of carbon atoms - these are also known as homocyclic or isocyclic on account of the identity of the members of the ring - and (2) heterocyclic, in which different elements go to make up the ring.
The astronomer specialized in studying the magnitude of stars and classifying their brightness.
Thirty-five of these languages, with 69 dialects, he succeeded in classifying under II linguistic families.
In textual criticism Semler pursued further the principle of classifying MSS.
309,974 Australia 17,766 Asia 56,181 Table II., classifying the mileage of Europe, shows that Russia has taken the lead, instead of Germany, as in former years.
The position of the main buildings - ticket offices, waiting and refreshment-rooms, parcels offices, &c. - relative to the direction of the lines of rails may be used as a means of classifying terminal stations.
Heterocyclic rings may be systematically surveyed from two aspects: (I) by arranging the rings with similar hetero-atoms according to the increasing number of carbon atoms, the so-called " homologous series "; or (2) by first dividing the ring systems according to the number of members constituting the ring, and then classifying these groups according to the nature of the hetero-atoms, the so-called " isologous series."
Classifying the population according to the mother-tongue of each individual, there were, in the civil population of Hungary proper, including Fiume: The censuses show a decided tendency of change in favour of the dominating nationality, the Magyar, which reached an absolute majority in the decade 1890-1900.
In the effects of simpler poisons the recognition of unity in diversity, as in the affiliation of a peripheral neuritis to arsenic, illustrated more definitely this serial or etiological method of classifying diseases.
But it is difficult to speak too highly of his immense industry in collecting, classifying and arranging these three huge volumes of 80 books and 9885 chapters.
On, and by Stockmar, the prince thus soon took the de facto place of the sovereign's private secretary, though he had no official status as such; and his system of classifying and annotating the queen's papers and letters resulted in the preservation of what the editors of the Letters of Queen Victoria (1907) describe as" probably the most extraordinary collection of state documents in the world "- those up to 1861 being contained in between Soo and 600 bound volumes at Windsor.
The system of classifying the revenue into separate funds has frequently produced annual deficits, which are, as a rule only nominal, since the total receipts exceed the total expenditures.
Various chemists had traced numerical sequences among the atomic weights of some of the elements and noted connexions between them and the properties of the different substances; but it was left to him to give a full expression to the generalization, and to treat it not merely as a system of classifying the elements according to certan observed facts, but as a "law of nature" which could be relied upon to predict new facts and to disclose errors in what were supposed to be old facts.
Supplying no purely intellectual faculty for modifying, treatise recording and classifying their results, he has destroyed real knowledge altogether: " If perceptions are distinct existences, they form a whole only by being connected together.
In his age the poet revised his works, classifying them for a definitive edition, in seven volumes, published at Boston, 1888.
- The attention of the few scholars at work on the subject being directed to the necessary first step of publishing the ancient authorities, the work of exploring them, of analysing and classifying the data they contain, has as yet been very imperfectly done.
6 There is everywhere a danger of misunderstanding isolated evidence, of wrongly classifying different motives, and of overlooking necessary links in the chain of argument.
The existence of groups or families of allied languages, each group being evidently descended from a single language, affords one of the principal aids in classifying nations and races.
The seeming anomaly of classifying as a single branch of science all that we know in a field so wide, while subdividing our knowledge of things on our own planet into an indefinite number of separate sciences, finds its explanation in the impossibility of subjecting the matter of the heavens to that experimental scrutiny which yields such rich results when applied to matter which we can handle at will.
These provide means for classifying the rich finds from the cemetery which was excavated on the other bank of the river.
Classification: Marshall Ward, " On the Characters or Marks employed for classifying the Schizomycetes," Ann.
This Tentamen, containing his complete method of classifying birds in general, naturally received much attention, the more so perhaps, since, with its appendices, it was nearly the last labour of its respected author, whose industrious life came to an end in the course of the following year.
Classifying, then, as urban centres all of above 2500 inhabitants, three-tenths of the total population lived in the latter centres in 1880 and four-tenths (3o,583,4f 1) in i~oo; their population doubled in these twenty years.
In 1845, however, a statute based on the recommendations of a select committee, appointed in the preceding year, was passed; the object being to diminish the bulk of the special acts, and to introduce uniformity into private bill legislation by classifying the common form clauses, embodying them in general statutes, and facilitating their incorporation into the special statutes by reference.
Certain characteristics in the skin reveal to the expert from what section of territory they come, but in classifying them it is considered sufficient to mention territories only.
Classifying imports and domestic exports as of six groups: (I) crude foodstuffs and good animals; (2) foodstuffs partly or wholly prepared; (3) raw materials for use in manufacturing; (4) manufactured articles destined to serve as materials in further processes of manufacture; (5) finished manufactures; (6) miscellaneous productsthe table on p. 645 shows the distribution of imports and exports among these six classes since 182o.i It will be seen from the table that the share of the first two classes in both imports and exports has been relatively constant.