. Smithsonian miscellaneous collections. &0. 1. Acratocnus comes. 2. Acratocnus comes ? 3. Quemisia gravis. 4. Monkey ( not identified ). 5. Cercopithecus pygerythrus. 6. Cebus capucinus. (.Ml figures natural size.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 82, NUMBER 6 THE PAST CLIMATE OE THE NORTHPOLAR REGION BYEDWARD W. BERRY The Johns Hopkins liniveisity. ( Publication 3(t61) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION APRIL 9, 1930 ^^i Boxb (§a(ttmori (preee BALTIMORE, MD., U. S. A. JllE PAST CLIMATiL OF THE NORTH POLAR REGIONBy EDWARD W. BERRY THE JOHNS HOPKINS UNIVERS
. Smithsonian miscellaneous collections. &0. 1. Acratocnus comes. 2. Acratocnus comes ? 3. Quemisia gravis. 4. Monkey ( not identified ). 5. Cercopithecus pygerythrus. 6. Cebus capucinus. (.Ml figures natural size.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 82, NUMBER 6 THE PAST CLIMATE OE THE NORTHPOLAR REGION BYEDWARD W. BERRY The Johns Hopkins liniveisity. ( Publication 3(t61) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION APRIL 9, 1930 ^^i Boxb (§a(ttmori (preee BALTIMORE, MD., U. S. A. JllE PAST CLIMATiL OF THE NORTH POLAR REGIONBy EDWARD W. BERRY THE JOHNS HOPKINS UNIVERSITY The plants, coal beds, hairy mammoth and woolly rhinoceros ; thecorals, ammonites and the host of other marine organisms, chieflyinvertebrate but including- ichthyosaurs and other saurians, that havebeen discovered beneath the snow and ice of boreal lands have alwaysmade a most powerful appeal to the imagination of explorers andgeologists. We forget entirely the modern whales, reindeer, musk ox,])olar bear, and abundant Arctic marine life, and remember only theseemingly great contrast between the present and this subjective on the earth is there such an apparent contrast between thepresent and geologic climates as in the polar regions and the mentalpictures which have been aroused and the theories by means of whichit has been sought to
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