LISTE DES ÉCHANGES. 



XXXTIÏ 



1407* Boiia. Geological Survey of Missouri {Report). 

 11626* tancaster. New York Academy of Sciences (Annals). 



Lawrence University geological Survey of Kansas. 

 2688 — Annual Bulletin. 



26886 — Volume. 

 2258* — Kansas University (Quarterly). 

 1736 liima. Sociedad Geografica (Boletin). 



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



— Wisconsin Geological and Natural History Survey. 

 3217* — Scientific Séries (Bulletin). 

 3218* — Economie Séries (Bulletin). 

 2663 Meriden. Scientific Association (Transactions). 

 2094* Mexico. Comision geologica Mexicana (Boletin). 

 2289* — Instituto geologico {Boletin). 

 2994* — Sociedad cientifica « Antonio Alzate » (Memorias). 



Minneapoiis. Geological and Natural History Survey of Minnesota. — * 



639* — Annual Report. — 



6396 — Bulletin. 



2368 — Minnesota Academy of Raturai Science (Bulletin). — 



3289* Montevideo. Museo nacional (Anales). 

 2070* New Haven. American Journal of Science. 



2091* — Gonnecticut Academy of Arts and Sciences (Transactions). 



New York. Academy of Sciences date Lyceum of Natural History). 

 1162 — Transactions. 

 1162 ter * _ Memoirs. 

 2047 — Science. 



1965* Ottawa. Commission de Géologie et d'Histoire naturelle du Canada (Rapport 

 annuel). 



1964 — Geological Survey of Canada (Palaeozoic fossils). 



Philadelphie. Academy of Natural Sciences. 

 2089* — Proceedings. 



20896* — Journal. 



2257* — American Philosophical Society (Proceedings). 



1522 Quito. Universidad Central del Ecuador (Anales). 



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



1575* — Rochester Academy of Sciences (Proceedings). 



3219* San Pauio. Museu San Paulo (Revista). 



2023* Topeka (Kansas). Kansas Academy of Science ( Transactions). 



2513 — The University Geological Survey of Kansas ( Volume) 



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



1261* Trenton. Geological Survey of New Jersey (Ann. Report). 



