record books, indexes, etc. He is authorized to affix
the seal of the Copyright Office provided for by law,
and is happily relieved by the new code from the
necessity of formal signature of certificates, etc.,
which under the old law wasted precious and difficult
hours in small routine work, the affixing of the seal
being the sufficient and sensible substitute for the
personal signature. An assistant register of copy-
rights at a salary of $3000 was provided for in the
new act, also to be appointed by the Librarian of
Congress, with authority during the absence of the
Register to attach the seal and perform other neces-
sary functions.
Catalogues The law directs that the Register of Copyrights
and indexes "shall print at periodic intervals a catalogue of the
titles of articles . . . together with suitable indexes,
and at stated intervals . . . complete and indexed
catalogues for each class of copyright entries," which
"shall be admitted in any court as prima facie evi-
dence," shall be promptly distributed to collectors of
customs and postmasters of all exchange offices and
shall be furnished to others at a price not exceeding
$5 per annum for the complete catalogue or $1 for the
catalogues issued during the year for any one class.
The practice of the Copyright Office is to make for each copyrighted book an index card, in conformity with the printed catalogue card of the Library of Con- gress, and to utilize the linotype slugs set for this pur- pose, with some modification, as the basis for the "Catalogue of copyright entries" for books. The catalogue for books proper. Part 1, Group i, is printed weekly with an annual index, which, together with Part L Group 2, issued monthly with more condensed entries, — containing the titles for all other material registered under the legal designation "book," not found in Group i, i. e., local directories and other an-
