74 



No. 186. Herman S table r. Stream pollution by acid-iron washes. 



A report based on investigations made at Sbelby, Ohio. 



1906. 

 No. 187. H. K. Barrows and Robert E. Ho r ton. Determina- 



tion of stream flow during the frozen season. 1907. 

 No. 188. W i His T. Lee. Water resources of the Rio Grande 



Valley in New Mexico and their development. 1907. 

 No. 189. Earle Bernard Phelps. The prevention of stream 



pollution by Strawboard Waste. 1906. 8. 



Carnegie Institution. 



C. B. Davenport. Inheritance in poultry. Wash. 1906. 8. 



William Lawrence Tower. An investigation of evolution in 

 Chrysomelid Beetles of the Genus Leptinotarsa. Wash. 1906. 8. 



Smithsonian Institution. — Bureau of American Ethnology. 



Bulletin. Wash. 8. 



30. Handbook of American Indians north of Mexico. Ed. by 

 Frederick Webb Hodge. P. 1. 1907. 



Report, Annual, of the Bureau of Ethnology. 24. 1902-1903. 

 Wash. 1907. 4. 

 Smithsonian Institution. — United States National Museum. 



Bulletin. No. 39. Part P. Q. No. 56. Wash. 1902-07. 8. 



Contr ibut i ons from the United States National Herbarium. Vol. X. 

 P. 3. 4. Vol. XI. Wash. 1906-07. 8. 



Proceedings of the United States National Museum. Vol. XXXI. 

 Wash. 1907. 8. 



Report, Annual, of the Board of regents, for the year ending June 

 30, 1905. 1906. - Report of the U. S. National Museum. Wash. 1906. 8. 

 Philosophical Society. 



Bulletin. Vol. XV, pp. 1-26. Wash. 1907. 8. 



Wien. 



Kais. Akademie der Wissenschaften. 

 D e nks ch rift en. Wien. 4. 



Math.-naturwiss. Classe. B. 71. Halbb. I. B. 80. 1907. 

 Sitzungsberichte. Wien. 8. 

 Math.-naturwiss. Classe. B. 115. Abt. I. H. 6-10. Abt. Ila. H. 

 6-10. Abt. II b. H. 7-10. Abt. III. H. 6-10. B. 116. 

 Abt. 1. H. 1— 5. Abt. lia. H. 1-5. Abt. II b. H. 1-6. Abt. 

 III. H. 1-6. 1906-07. 

 Philos.-histor. Classe. B. 152. 154. B. 155. Abhandl. 1-3. 5. B. 156. 



Abhandl. 1-3. 6. B. 157. Abhandl. 1. 4. 1906-07. 

 Leonardo de Torres y Quevedo. Sobre un sisterna de nota- 

 ciones y simbolos destinados å facilitar la descripcion de las 

 måquinas. Madrid 1907. 8. 

 K.-k. soologisch-botanische Gesellschaft. 



Ver hand lun gen. Jahrg. 1906. B. LVI. Wien 1906. S. 

 Das k. k. osterreichische Gradmessungs-Bureau. 



Astronomische Arbeiten. B. XIV. Pendelb.eobachtungen. Wien 

 1907. 4. 



