XXIV 



LISTE DES ÉCHANGES. 



2368* Minneapoiis. Minnesota Academy of Natural Science (Bulletin). 

 2368 — Geological and Natural History Survey of Minnesota. 



639* — Anmial Report. 



eS% — Bulletin. 



2070* Mcw-Havcn. American Journal of Science. 



2091 — Connecticut Academy of Arts and Sciences {Transaction). 



dl62 niew-York. Academy of Sciences (late Lyceum of Natural History) (Trans.). 

 1470 — American Muséum of Natural History {Ann. Report). 

 2047* — Science. 



1964* Ottawa. Geological Survey of Canada {Palaeozoic fossils). 



1965 — Commission de Géologie et d'Histoire naturelle du Canada [Rapport 



annuel). 



Philadelphie. Academy of Natural Sciences. 

 2089* — Proceedings. 



2089/^* — Journal. 

 1522 çuito. Universidad Central del Ecuador (Aiiales). 

 1597* Hochestei". Geological Society of America {Bulletin). 

 1575* — Rochester Academy of Sciences {Proceedings). 

 838 san-Franeisco. California Academy of Natural Sciences {Bulletin). 

 2023* Topcka (Kansas). Kansas Academy of Science (TraTî^ac/ion^). 

 1261 Trcnton. Geological Survey of New Jersey {Ann. Report). 

 2257 Washington. American Pliilosophical Society {Proceedings). 



— Geological Survey. United States of America. 



1292 — Bulielin. 



1405* — Monograplis. 



1406* — Annual Reports. 



1523 — Minerai Ressources. 



1 164* — Smithsonian Institution {Annual Report). 



1795 — Department of Agriculture. United States of America {Bulletin). 



1163 — National Muséum (fiejwor^,). 



1942* — The Microscope. 



ASIE. 



1731* Tokîo. Impérial University Japan [Journal). 



1122 Yokohama. Seismological Society of Japan ( Trarî^rtc/ww^). 



EUROPE. 



ALLEMAGNE. 



Rcriin. Kônigliche-preussische Akademie der Wissenschaften. 

 2090* — Mathem. und Naturw. MillheiL 



