Journal of Cell Science · 1890 · 33 citations · 0 references
Life SciencesBiologyZoologyComparative AnatomyInvertebrate EvolutionScientific TheoriesVertebrate AnatomyVertebrate EvolutionVertebrate SystematicsEarly Vertebrate OriginsOrigin Of Mammals
ABSTRACT “In the growth of each science, not only is correct observation needful for the formation of true theory, but true theory is needful as a preliminary to correct observation.”—H. SPENCER.