The origin and significance of spines; a study in evolution [Part I]

• 1 July 1898
• journal article
• Published by American Journal of Science (AJS) in American Journal of Science
• Vol. s4-6  (31) , 1-20
• https://doi.org/10.2475/ajs.s4-6.31.1

Abstract

Keywords

• PART
• STUDY IN EVOLUTION
• ORIGIN AND SIGNIFICANCE OF SPINES