440 CONTENTS. 



Page. 



Expeuditures from Sniitbsou fund 75 



Repuj'ujeuts to Sinitbsou fund , 76 



Estimates for ld73 76 



National Museum, receipts 77 



National Museum, expenditures 78 



-'Appropriations by Congress 77,78 



JOUKNAL OF PltOCEEDINGS OF THE BOaI;D OF ReGEXTS hO 



Meeting of January 16, 1873 80 



Meeting of January 20, 1873 81 



Meeting of February 13, 1873 84 



Appendix to tbe journal of tbe regents — 



Prol'. Louis Agassiz's narrative 87 



Will of Prof. Alex. D. Bacbe <J3 



Corcoran Art-Gallery. Deed of foundation 94 



Toner lectures. Deed of foundation 101 



Tyndall trust. Deed of foundation 104 



Bequest of Ja mes Hamilton 106 



Circular sent with specimens presented to institutions 107 



GENERAL APPENDIX. 



Ei'EOGY OX AsipfcRE. By M. Arago Ill 



Scientific lauohs of Edw. Laktet. By Dr. P. Fischer 172 



Scit'.X'iiFic EDiCATiox OF MECHANICS Axi) AimsAXs. By Piof Andrew P. Pea- 

 body 185 



Ohganic BASES. By Prof. A. Bauer 196 



NiTROGEX BODIES OF MODERN CHKMisTitv. By Prof Kictzlnsky 203 



SCUKME FOU THE QUALITATIVE DETEKMINATION OF SUliSTANCFS BY THE BLOW- 

 PIPE. By Prof. Til. Eg.cston 219 



Blow-pipe apparatus of Hawkins & Wale 222 



Bouxdai:y-line between geology and history. By Ed w. Suess 223 



Explanation of the principles of crystallography and crystallophvsics. 



By A . Brezina 233 



Meteop.ology in Russia. By Dr. A . Wceikotf 267 



Phenomena manifested in telegraphic lixes during the aurora boi;ealis ; 



and the origin of northern lights. By Prof G. B. Donati 209 



ETHNOLOGY. 



The troglodytes, or cave-dwellers, of the valley of tiii: Vezeri:. By 



Paul Broca 310 



1. Determination of time 311 



2. Successive localities 319 



3. Society of tbe troglodytes 325 



4. Arts of tbe troglodytes 336 



5. The race 339 



6. Appendix — Excursion to tbe Eyzies 344 



Ancient aboriginal trade ix North America. By Charles Ran 348 



1. Introduction 348 



2. Copper 350 



3. Galena 355 



4. Obsidian 357 



5. Mica 360 



6. Slate 362 



7. Flint 365 



8. Red pipe-stone 363 



