...and careful system of Observation will almost supply the place of experiment ; for the ever-varying forms of organised beings by which we are surrounded,...arrive at some tolerably definite conclusions as to then1 mutual relations. To use the language of Cuvier with some extension, all the different forms...

...for the evervarying forms of organised beings by which we are surrounded, and the constantly changing conditions in which they exist, present us with such...at some tolerably definite conclusions as to their mutal relations. In the language of Cuvier, the different forms of animals may he regarded as so many...

...Experimentation can conduct us -very little farther in this inquiry. The ever-varying forms of organized beings by which we are surrounded, and the constantly-changing...study, if we do not arrive at some tolerably definite conclusion as to their mutual relations." Specially, on one branch of experimental research, engaging...

...Experimentation can conduct us very little farther in this inquiry. . . . The ever-varying forms of organized beings by which we are surrounded, and the constantly-changing...study, if we do not arrive at some tolerably definite conclusion as to their mutual relations. In the language of Cuvier, the different forms of animals...