...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf-eating Megatherian of South America, the geological phenomena of that...regard to many of the larger Mammalia, especially those which have passed away from the American and Australian continents, the absence of sufficient signs...

...hypothesis to explain the apparently contemporaneous extinction of the gigantic leafeating Megatheria of South America- the geological phenomena of that...regard to many of the larger Mammalia, especially those which have passed away from the American and Australian continents, the absence of sufficient signs...

...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf-eating Megatherian of South America, the geological phenomena of that...regard to many of the larger Mammalia, especially those which have passed away from the American and Australian continents, the absence of suffi* In the extreme...

...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf.eating megatheria of South America, the geological phenomena of that...regard to many of the larger mammalia, especially those which have passed away from the American and Australian continents, the absence of sufficient signs...

...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf-eating megatheria of South America, the geological phenomena of that...duration of species within the historical period, is sorely insufficient to justify, in every case of extinction, the verdict of violent death. With regard...

...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf eating Megatheria of South America, the geological phenomena of that...period is surely insufficient to justify, in every ease of extinction, the verdict of violent death. With regard to many of the larger Mammalia, especially...

...contemporaneous extinction of the gigantic leaf eating Megatheria of South Ameriea, the geologieal phenomena of that continent appear to negative the...of the progress and duration of species within the historieal period is surely insufficient to justify, in every ease of extinction, the verdict of violent...

...limit of duration assigned to them from the beginning, and that this limit may be attained even while all extraneous causes remain quiescent and stationary....in every case of extinction, the verdict of violent deaths. With regard to many of the larger mammalia, especially those that have passed away from the...

...beginning, and that this limit may be attained even while all extraneous causes remain quiescent aud stationary. " Attempts have been made," says Professor...in every case of extinction, the verdict of violent deaths. With regard to many of the larger mammalia, especially those that have passed away from the...

...hypotheses to explain the apparently contemporaneous extinction of the gigantic leaf-eating Megotherio, of South America, the geological phenomena of that...regard to many of the larger Mammalia, especially those which have passed away from the American and Australian continents, the absence of sufficient signs...