123 



München. Deutsches Museum: 



— — Verwaltungsbericht über das 15. Geschäftsjahr 1917 — 1918. 



— Sternwarte: 



— — Neue Annalen, Band V, Heft IL 



Neisse. Wissenschaftliche Gesellschaft ,,Phi[omathi<.'- : 



— — Bericht 37, 1913—1917. 



Neuchätel. Societe des Sciences naturelles: 



— -' Bulletin, tome XLIII, annees 1917—1918. 



New-York. American Geographica! Society: 

 _ _ The Geographica! Review, Julj' 1919. 



— Columbia U n i v e r s i t y : 



— — PubHcation No 8. 



Nürnberg. N a t u r h i s t o r i s c h e G e s e 1 ! s c h a f t : 



— — Jahresbericht, 1918. 



Oberlin. Wilson Ornithological Club: 



— - The Wilson Bulletin, vol. XXVIII, No 3. 4; vol. XXXI, Xo 2—4. 



Ottawa. Department of the Interior: 



— — Publications of the Dominian Observatory, vol. 1, No G — 16: 



vol. II, No 1 — 15; vol. III, No 1 — 12; vol. IV, Xo 1-^20. 



— — Report of the Chief Astronomer, 1911. 



Palermo. Circo lo matematico: 



— — Rendiconti, tomo XXXIX, anno 1915, fasc. H, \U; tomo XL, 



anno 1916, fasc. I— III; tomo XLI, anno 1917, fasc. [— ill; tomo XLII. 

 anno 1918, fasc. I-— III; tomo XLIII, anno 1919, fasc. L 



Paris. Observatoire : 



— — Bulletin astronomique, serie 2, partie 10. tome I. 1919, Janvier- 



Mars. 



Pisa. II Nuovo Cimento. Serie VI, 1919, anno LXV, vol. X\i!, semestre 1. 

 fasc. 1—6; vol. XVIII, semestre 2. fasc. 7—10. 



Portici. Laboratorio di Zoologia generale 'e Agraria: 



— — Bollettino, vol. XIIL 



Potsdam. Astrophysikalisches Observatorium: 



— — Publikationen, No 73; 74. 



