IV 



LISTE DES ÉCHANGES. 



2688* 



26886* 



2258* 



La^wrcnce. University geological Survey ofKansas. 



— Annual Bulletin. 



— Vohime, 



— Kansas University (Quarterly). 



1736* i.îmo. Sociedad Geografica {Boletin). 



2824* .nadîson. Wisconsin Academy of Science, Arts and Letters (Transactions). 

 2663 Meriden. Scientific Association (Tran^ac^ww^). 

 2094 Mexico. Comision geologica Mexicana (Boletin), 

 2289* — Instituto geologico {Boletin). 



itiinncapoiis. Geological and Naturai History Survey of Minnesota. 



639 — Annual Report. 



639/) — Bulletin. 



2368 — Minnesota Academy of Naturai Science (Bulletin). 



2070* wew Haven. American Journal of Science. 



2091* — Gonnecticut Academy of Arts and Sciences (Trfl??5ac^io725). 



ivow York . Academy ofjSciences (late Lyceum'of Naturai History). 

 1162* — Transactions. 

 1162'"* — Memoirs. 

 2047 — Science. 



1965* Ottawa. Commission de Géologie et d'Histoire naturelle du Canada (Rapj>ort 

 annuel). 



1964 — Geological Survey of Canada (Palaeozoic'Jossils), 



Phiiadeipiiio. Academy of Naturai Sciences. 

 2089* — Proceedings. 



20896* — Journal. 



2257* — American Philosophical Society (Proceedings). 



1522 Universidad Central del Ecuador (Ana/fô). 

 1597* Rociiestcr. Geological Society of America (Bulletin). 

 1575 — Rochester Academy of Sciences (Proceedings). 

 2023* Topeka (Kansa^i). Kansas Academy of Science [Traiisactions), 



2513* — The University Geological Survey of Kansas (Volume). 



2569 — Board of Irrigation Survey and experiment (Report). 



1261 Trcnf on. Geological Survey of New Jersey [Ann. Report). 



Washington. Geological Survey United States of America. 

 1292* — Bulletin. 



1405* — Monographs. 



1406 — Annual Beports. 



1523 — Minerai Resources. 



1164 — Smithsonian Institution (Awmm/ jRejoorO. 



1163 — National Muséum (Report)., 



