738 



SCIENCE 



[N. S. Vol. XLIV. No. 1143 



The words in parentheses indicate where the 

 paper is filed. When papers are filed by the 

 accession method the same sort of entries are 

 made in the author catalogue save that the 

 serial number of the paper is included in the 

 parentheses at the right. Thus: 



Eidgway, E. 



1892. Hummingbirds (642) 



1897. Galapagos Island birds (1489) 



"Where papers are arranged by authors a sub- 

 ject index only is needed. For example, in the 

 writer's own index for papers in vertebrate 

 zoology there are included cards for systematic, 

 and for geographic or faunal entries. Many 

 papers require entry under both headings and 

 some under even more. Thus, a paper by 

 Euthven, Thompson and Thompson, entitled 

 " The Herpetology of Michigan," would be 

 entered under " Eeptiles," " Amphibians " and 

 " Michigan." In this way the paper can be 

 found under any of the three titles carded. 

 The form of subject index entries is indi- 

 cated by the following samples: 



Eeptilea 



nw. Nevada — Eichardson 1915 



Michigan — Euthven et al. 1912 



San Jacinto Mts., Cal. — Atsatt 1913 

 Deer 



Situation in Calif-Clarke in Cal. F. & G. 

 Comm. 1913 



Farming in XJ. S. — Lantz 1914 

 Colorado Eiver 



Fishes— Gilbert and Scofield 1898 



Birds and mammals — Grinnell 1914 (review 

 Sumner 1915) 



Papers often occur which are difficult of exact 

 classification and it is well to have general 

 headings under which these may be included, 

 as for example " Birds," " Mammals," " Vari- 

 ation," etc. These titles may be subdivided, 

 as the papers accumulate. 



For all indexes the standard sized 3 by 5 

 inch cards of librarians and bibliographers are 

 the most suitable. In entering the references 

 a carbon ink such as Higgins Eternal is 

 recommended because of its permanency of 

 color and the uniformity of entries made at 

 different times. 



As a result of the great variation in the 



manner of placing the title, author's name and 

 date of publication on the covers of reprints 

 or pamphlets considerable time is lost in 

 searching for these items when looking 

 through a file. An easy way of overcoming 

 this difficulty is to annotate the upper left- 

 hand corner of the front of each paper with 

 the author's name and initials, the date, and 

 a catch title, in the form used by Professor 

 E. L. Mark, of Harvard, thus: 



Euthven, A. G., et al. Eutter, C. 



:12 :08 



Herpetology of Sacto.-San Joaquin 



Michigan Valley 



Fishes 

 Eidgway, E. 



:92 

 Hummingbirds 



The catch titles are arranged so that in look- 

 ing down the left-hand margin the eye en- 

 counters the most important words first. 

 With pamphlets so marked only a few sec- 

 onds are required to secure any particular 

 paper and it is often possible to locate it 

 without removing the others from the case. 

 Where there are a number of papers by a 

 single author it is well to number them serially 

 beginning with the oldest one. Then when a 

 paper is withdrawn it can be quickly and cor- 

 rectly replaced by its number without having 

 recourse to the date. For these annotations, 

 as with catalogue cards, carbon ink should be 

 used. Another method which has been used 

 for the same purpose as these corner annota- 

 tions is to underscore the author's name, the 

 date and the title. 



Serial publications are best kept in sets by 

 themselves as they are received, but where the 

 individual articles comprising a volume are 

 issued in separate form these may be run 

 into the general collection along with other 

 pamphlets. Later on they can, if desired, be 

 removed and bound in complete volumes. The 

 writer has a considerable number of pamph- 

 lets relating to subjects outside his main line 

 of work but which for one reason or another 

 he desires to keep. These are arranged ac- 

 cording to the names of their authors, and 

 kept in a " reserve " file, where they can be 



