274 REPORT ON NATIONAL MUSEUM. 



In the periodical register, in which all journals are entered number 

 by number, with the date of receipt, 2,639 entries have been made. 



Catalogues. — The card-catalogue by authors has been very consider- 

 ably added to during the year. 



The number of books catalogued each month is as follows : 



January . . . . : 148 



February 132 



March 147 



April 62 



May 262 



June 126 



July 66 



August 



September 133 



October 97 



November 119 



December 43 



Total 1,335 



The catalogue includes, in addition to titles of the books in the Mu- 

 seum library, and those of the books in the library of the U. S. Fish 

 Commission. 



The number of cards in each case is as follows : 



Museum 9, 557 



U. S. Fish Commission library . . ... 634 



Total 10,191 



Sectional libraries. — Two new sectional libraries have been established, 

 those in charge of the honorary assistant curator of invertebrate fossils 

 and the acting curator of foods and textiles. There are, in all, 13 similar 

 libraries. The number of volumes of monographic books and pamphlets 

 in each is as follows: 



Section of building stones 110 



Department of mammals 122 



Department of invertebrate fossils : 



Mesozoic 96 



Paleozoic < 17 



Department of birds 92 



Section of materia medica 71 



Department of fishes 54 



Department of chemistry m. 64 



Department of archeology 25 



Department of metallurgy 26 



Department of reptiles 22 



Department of marine invertebrates 29 



Section of foods and textiles 6 



Total .'.734 



Number of books. — On page 3 of the report of the assistant director 

 for 1882, the number of books in the library is estimated at 5,800, and 

 of pamphlets, 5,500. By the additions of the past year the number of 

 books now reached is about 6,015, and of pamphlets, 5,962, 



