The meaning of taxonomic statements / George Gaylord Simpson -- East African fossil Hominoidea and the classification within the super-family / L.S.B. Leakey -- Quantitative taxonomy and human ...

THE detailed classification of the Tunicata, and especially of the so-called “Compound Ascidians,” has usually been found a matter of special difficulty by systematists, and each successive ...

This is a preview. Log in through your library . Abstract Cannabis sativa has been employed for thousands of years, primarily as a source of a stem fiber (both the plant and the fiber termed "hemp") ...

The genera Ectospinula Opitz, new genus, and Prosymnus Laporte, which comprise a monophyletic group within Korynetinae, are reviewed. Ectospinula is monotypic and includes E. graduata Opitz, new ...