It was always understood that plants and animals, though completely contrasted in their higher representatives, approached each other very closely in their lower and simpler forms. But they were believed not to blend.
Asa GrayThis substance, which is manifold in its forms and protean in its transformations, has, in its state of living matter, one physiological name which has become familiar, that of protoplasm.
Asa GrayIt remains to consider what attitude thoughtful men and Christian believers should take respecting them, and how they stand related to beliefs of another order.
Asa GrayThis view, as a rounded whole and in all its essential elements, has very recently disappeared from science. It died a royal death with Agassiz.
Asa Gray