Report of the Librarian. 
xxxi 
ries, Vol. XX; 4th Series, Vols. IV-V. Bulletin© Mensile, 
1892, fasc. 26-31. 
Nova Acta It. Societatis Scientiarum Upsaliensis—3d Series, 
Vols. XIII, 2; XIV, 1. 
Jahresber. d. Schles. G-esellsch. f. Vaterland. Cultur, Vols. 
LXIII, LXV, LXVII-LXIX (with Erganzungsbande). 
American Museum Natural History—Bulletin, Vol. HI, No. 1. 
Ann. Rep., etc., 1892. 
Tijdschrift Nederl. Maatsch. Nijverheid, 1883, 1885. 
Bulletin Societe d’Agriculture, Sciences et Arts de la Sarthe, 
Vols. XXXI, 3-4; XXXII, 4; XXXIII, 2, 4; XXXIV, 1. 
Koninklijke Akademie van Wetenschappen, Amsterdam— 
Verslagen en Meaedeelingen. Afd. Natuurkunde, 2d Series, Vol. 
XVIII; 3d Series, Vols. V-VII. Afd. Letterkunde, 2d Series, 
Vol. XII; 3d Series, Vols. V-VII. Verhandelingen^Afd. Na- 
tuurkuude, Vols. XXVI, XXXVIII. Afd. Letterkunde, Vols. 
XVIII, XIX. Jahrboeck, 1882, 1888-1890. 
Atti Fondazione Scientifica Cagnola (Milan), Vols. VII, IX, X. 
Die Optischen Anomalien der Krystalle (6 plates), by Rein- 
hard Brauns. 
Exploration Internationales des Regions Polaires, 1882-83 et 
1883-84. Expedition Polaire Finlandaise, Vol. I. 
There is much more that can be done in the direction of fill¬ 
ing out our series of journals. A glance at the catalog (in appen¬ 
dix to this volume) will show that a complete series of books is 
still the exception to the rule. Many sets still incomplete in 
our library have been filled as far as is possible, but the filling 
of others has not been attempted. 
Gifts of Scientific Papers by Individuals :—Early in 1892 the 
Library Committee issued a circular asking scientific workers to 
generously donate brochures of their personal publications to 
the library of the Academy. It was thought that in this way a 
valuable addition might be made to the Academy Library, in 
which most scientific men would be glad to bear the small part 
asked of them. It was promised that the gifts should be 
promptly acknowledged by mail and also in the librarian’s re- 
