411 



13. United States Geological Survey. 



Annual Reports, XX, 2 à 5, 7; XXI, 1, 6. 



Bulletin, 163 à 176. 



Monographs, XXXIX, XL. 



Preliminary Report on the Cape Nome Gold Région Alaska. 



14. American Philosophical Society. 



Proceeding, XXXtX, 163 à 166. 



15. American Academy of Arts and Sciences. 



Proceedings, XXXVI, 10 à 29; XXXVII, 1 à 3. 



16. Smithsonian Institution. — U. S. National Muséum. 



Bulletin of the U. S. National Muséum, XLVII. 

 Report, 1896-1897, 1898, 1899. 

 Miscellaneous Collection, 1253, 1258. 

 Spécial Bulletin : American Hydroids, I. 



17. Kansas TJniversity Quaterly, IX, 4; X, 1, 2. 



18. American Association for the Advancement of Science. 



Proceedings, XLIX. 



19. University of Illinois. — Agricultural Experiment Station. 



Bulletin, 61 à 63, 65. 



20. Cor oeil TJniversity, Agricultural Experiment Station, Ithaca 



Bulletin, 187, 190, 192. 



21. New-York Agricultural Experiment Station. 



Bulletin, 177, 179 à 196. 



22. Portland Society of Natural History. 



Proceedings, II, 5. 



23. California Academy of Natural Sciences. 



Proceedings (3), II, 1 à 6. 

 Occasional Papers, VII. 



24. Elisha Mittchell Scientific Society, Chapel Hill, N. G. 



Journal, 1901, 2. 



25. Laboratories of Natural History of the State University of lowa. 



Bulletin, V, 2. 



26. University of the State of New-York. New-York State Muséum. 



Bulletin, XXXV, XXXVII. 



Report, 46, 47, 49, 3; 50, 2; 51, 1, 2. 



27. Wagner Pree Institute of Science of Philadelphia. 



Transactions, III, 5. 



28. Academy of Science of St-Louis 



Transactions, IX, 6, 8, 9 ; X, 1 à 8. 



