II4 BACTERIA IN RELATION TO PLANT DISEASES. 
slips. The following transcripts from actual records will serve to illustrate the 
method (figs. 98 and 99). As fast as the notes are completed they are filed away in 
boxes or large envelopes until the whole subject has been worked over, when they 
are sorted out according to their various sub-heads, and all the data which they 
contain is thus easily available. 
The writer also uses a sten- 
darn thena er badtense EE patie ieee ographer whenever possible, 
‘ave e) { and the typewritten sheets, 
Mo ea he / after immediate careful scru- 
AS 7 L. tiny for errors of fact, are filed 
ay fey muyeet /587. 1Xf- ah 7: | away in stout Manila envel- 
(ot 16) 7Get-r5- 
— opes with the name of the 
Ireeleateus aweertelsd P A : r 
parasite written on one corner; 
Fig. 100.* 16 by 12 inches is a good size 
for the envelopes. 
Card-catalogues should be made on the L. B. index slips, made and sold by the 
Library Bureau, Boston, Mass. Figure 100 is a sample from the writer’s catalogue 
by authors. A larger size should be selected if it is desired to include abstracts. 
When long abstracts or considerable extracts are made from literature which has 
been borrowed, or may not be readily accessible in future, heavy sheets (67g by 834 
TE 
inches) have been used by the writer. ‘These have headlines, as shown in fig. 101, 
and are preserved by tying into covers made for the purpose. A red line down the 
left side of the sheet preserves a space for a marginal index. 
A serious objection to the making of many abstracts is the time involved and 
the danger of degenerating into a mere student of literature in the effort to make a 
complete catalogue ; another is the fact that, if made in advance of actual need, or 
*Fic, 100.—Sample from card-catalogue. Two- thirds actual size. 
+Fic. 101.—Top of large sheet used for voluminous abstracts. A red line near left-hand mar- 
gin marks off a space on which summarizing catch-words or phrases are written. Breadth of sheet, 
6% inches, 3 
