Additions to the Library during 1913. 
xxxvii 
Richmond, Suerey, England. 
The National Physical Laboratory. 
Collected Researches, vii. x., 1913. 
Roma. 
Reale Accademia dei Lincei. 
Atti Delia Reale Accademia dei Lincei, Rendiconti — Classe di 
Scienze Fisiche, Matematiche e Naturali, vol. xxi., Fasc. 10, 
2 Sem., 11, 12 ; vol. xxii., Nos. 1, 2, , 4, 5, 6, 7, 8, 9, 10, 11, 12 ; 
1, 2, 3, 4, 5, 6, 7, 8, 9. 
Rendiconti, Classe di Scienze MoraH, Storiche e Filologiche, 
Serie Quinta, vol. xxi., Fasc. 7-10, 11-12 ; vol. xxii., Fasc. 1-2, 
3-4, 5-6. 
Atti, Rendiconto dell' Adunanza Solenne del I Giugno 1913 
Onorata dalia presenza di sua Maesta II Re. 
Rotterdam. 
Nederlandsche Entoiuologisclie Vereeniging. 
Tijdschrift voor Entomologie, 1912, Deel Iv., Vierde Afie ; 1913, 
Deel Ivi., Eerste en Tweede Afl., Derde Afl. 
Berichten, Deel iii., Nos. 67, 68, 69, 70, 71, 72. 
Register, Deel iii., Nos. 49-72. 
Rousseau (Chas. M.). 
" The Analysis of Light." A Force of Nature. 
St. Louis, Mo., U.S.A. 
Missouri Botanical Garden. 
Twenty-third Annual Report. 
Washington University. 
Studies, vol. i., part 1, No. 1 (Series iv., vol. i.. No. 1) ; vol. i., 
part 2, No. 1 (Series iv., vol. i.. No. 2). 
St. Petersburg. 
L'Academie Imperiale des Sciences de St.-Petersbourg. 
Bulletin, 1912, Nos. 17, 18 ; 1913, Nos. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 
11, 12, 13, 14, 15. 
Stockholm. 
Kungl. Vitterhets Historie Och Antikvets Akademien. 
Fornvannen, 1912. 
Kungl. Svenska Vetenskapsakademiens. 
Meddelanden Fran Vetenskapsakademiens Nobel Institut. 
Les Prix Nobel en 1911. 
