98 lioyal Socicbfs Catalogue of Scientific Literature. [Aug., 



Mineraloi^y. 



Geology (including Petrology). 



Geography — Mathematical and Physical. 



Pala)ontology. 



Anatomy. 



Zoology. 



Botany. 



Phj'siology (including Pharmacology and Expcriincntal 

 Pathology.) 



Bacteriology. 



Psychology. 



Anthropology, 

 Eacli of these subjects will be distinguished by a separate registra- 

 tion letter and tlie subdivisions indicated in the schedules by registration 

 numbers designed purely for the guidance of the Central Bureau in 

 arranging the cards in order for the compilation of a book subject 

 catalogue. 



Card catalogue : — The basis of the catalogue is the card or slip. 

 For every communication containing scientific statements worthy of 

 being indexed, whether appearing in a periodical or any other form of 

 independent publication, at least one separate slip is to be prepared. 

 These will be issued regularly to subscribers and will enable them not 

 only to keep themselves informed as to the progress of a science, but 

 also easily to keep an " account current " of such progress. 



Book catalogue: — At determined regular intervals, not necessarily 

 the same for all sciences, the Central Bureau in London will compile 

 from the slips and issue in a book form an index to authors as well 

 as an index to the subjects treated in the literature published within 

 the determined period. The book-catalogue will be obtainable in 

 parts corresponding to the several sciences for which slips are pro- 

 vided, and in some cases, in Zoology for example, it may be found 

 desirable to is.sue separate volumes for special sections of the subject. 

 It is proposed also to supplement this frequent periodical publication 

 of book-catalogues by issuing collective indices covering periods of 

 at least five or ten years. The titles of the publications and the 

 subject entries will appear either in English, French, German, Italian 

 or Latin, and the titles of publications appearing in other languages 

 will be translated into one of these five for the pui'pose of indexing, 

 but the original title will be preserved and issued with the translation. 

 The final schedule of classification for each subject is now being work- 

 ed out by an International Committee, which was appointed by the 1898 

 Conference for the purpose, but the schedules proposed by the lloyal 



