CHAPTER XI 



BIBLIOGRAPHY 



As there are to date between 4,000 and 5,000 papers dealing 

 partially or exclusively with foraminifera, the preparation of a 

 condensed bibliography covering all the phases of the work is a 

 considerable task. The bibliography as originally projected for 

 this volume has twice been cut down, and the present list is the 

 result. Many of the shorter works or those dealing with special 

 groups like the "Nummulites" have been left out. Papers without 

 illustrations have for the most part also been left out unless they 

 have particular features as to region or special subject matter. 

 Many of the newer workers on the foraminifera do not easily 

 read other languages than their own, yet many of the most im- 

 portant papers on the foraminifera are published in languages 

 other than English. The figures however, with the generic and 

 specific names in Latin, are the same in all languages, and for 

 this reason the more important works are here given regardless 

 of the original language. Some reading knowledge of French, 

 German, and Italian is essential to one who is to do any serious 

 research work on the foraminifera. The American foraminifera 

 are in many formations, especially the Cretaceous, so closely 

 identical with the European that a careful study of the European 

 literature is an absolute necessity as is also a study of European 

 material. 



The works will be found under various headings, the Recent, 

 Tertiary, Cretaceous, Jurassic, Triassic, and Palaeozoic with the 

 papers grouped roughly by geographic divisions where there are 

 many. Papers are arranged alphabetically by authors under 

 these headings. The later papers on Classification, Structure, 

 &c., are arranged by authors. It has been necessary to place 

 papers under one or another heading whereas it would have been 

 useful to have it under several headings, but space has had to be 

 considered and a paper is placed under the heading where it 



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