Balkanstaaten. — Vereinigte Staaten von Nord -America. 



1:581 



Boston. 



American Acadeniy of Arts and Sciences. 



Proceedings. Voi. 36. 1900-01. N. 9-29. 

 Vol. 37. 1901. N.1-5. 

 American Philological Association. 



Transactions and Proceedings. \o\. 31.1 900. 

 Massachusetts Institute of Technology. 



Technology Qvarterly and Proceedings of 

 ihe Society of Arts. Vol. 13. 1900. N.3.4. 

 Vol. 14. 1901. N. 1.2. 

 Society of Natural History. 



Memoirs. Vol. .5. 1900-01. N. 6. 7. 4. 



Occasional Popers. 4. Part 3. 1900. 



Proceedings. \'ol. 29. 1900. N. 9-14. 

 The Astronomical Jmirnal. Vol. 20. 1900. 



Titel und Inhalt. Vol. 21. 1900-01. N.6- 



24. Titel und Inhalt. Vol. 22. 1901. 



N. 1-7. 4. 

 The American Naturalist. Xo\. 34. 1900. 



N. 407. 408. Vol. 35. 1901. N. 409-418. 



Buffalo. 



Society of Natural Sciences. 

 Bulletin, ^'ol. 7. 1901. N. 1. 



Cambridge. 

 Harvard College. 



Museum of Comparative Zoölogy. 

 Bulletin. Vol. 36. 1900-01. N.5-8. Vol. 

 37. 1901. N. 3. Vol. 38. 1900-01. 

 N. 1-4. 

 Memoirs. Vol. 2.Ö. 1901. N. 1. 4. 

 Annual Report of the Assistant in Charge 

 for 1899-1900; of the Keeper for 

 1900-01. 

 Astronomical Observatory. 



Aimals. Vol. 26. Parti. Vol. 28. Part 2. 



Vol. 37. Part 1. Vol. 41. N. 5-7. 



Vol. 43. Part 1. Vol. 45. 1891- 



1901. 4. 



Anmial Report of the Director. hh. 1900. 



CMcago. 



Field Columbian Museum. 



Publications. N. 45-59. 1900.01. 

 University of Chicago. 



The Botanical Gazette, ^■ol.30. 1900. N. 



5.6. Vol. 31. 1901. N. 1-4. 

 The Astrophysical Journal. Vol. 10. 1899. 

 N. 5. Vol. 11. 1900. N. 4. 5. Vol. 12. 



1900. N.4.5. Vol. 13. 1901. Vol. 14. 



1901. N.1-3. 



The .Journal of Geology. Vol. 8. 1900. N.8. 



Vol. 9. 1900. N.1-6. 

 Yerkes Observatory. 



Bulletin. N.16. 17. 1901. 



Cincinnati. 

 Lloyd Libiary of Botany, Pharmacy and 

 Materia Medica. 



Bulletin. N. 2. 1901. 



Des Meines. 

 Iowa Geological Survey. 



Annual Report. Vol. 10. 1899. 



Easton, Pa. 

 American Chemical Society. 



Journal. Vol.21.22. 1899. 1900. Vol. 23. 

 1901. N.1-11. 



Granville, Ohio. 

 Denison University. 



Bulletin of the Scientific Laboratories. Yo. 

 11. 1900-01. Art. 9. 10. 



Jefferson City. 

 Missouri Geological Survey. 

 Reports. Vol. 13. 1900. 



Ithaca, N. Y. 



Cornell University. 



The Journal of Physical Chemistry. Vol. 4. 



1900. N. 9. Vol.5. 1901. N.1-7. 

 The Physical Review. Vol. 11. 1900. N.5. 

 Vol. 12. 1901. Vol. 13. 1901. N.1-4. 



Lawrence, Kansas. 

 University of Kansas. 



The Kansas University Quarterly. Ser. A. 

 Science and Mathematics. Vol. 9. 1900. 

 N. 2-4. Vol. 10. 1901. N. 1. 



Lincoln. 



University of Nebraska, Agricultural Ex- 

 periment Station. 

 Bulletin. N. 60. 64. 1899. 1900. 

 Annual Report. 13. 1899. 



Madison. 

 Wisconsin Academy of Sciences, Arts, and 

 Letters. 

 Transactions. Vol.l2. 1899. Part2. ^■ol.l3. 

 1900. Parti. 

 Wisconsin Geological and Natural History 

 Survey. 

 Bulletin. N. 3. 5-7. 1898-1901. 



