Frankliniella : redefinition of genus and revision of minuta group species : Thysanoptera: thripidae /

Issued Oct. 1979.

Classification of Triticum species and of wheat varieties grown in the United States /

Includes index.

The differentiation and specificity of starches in relation to genera, species, etc.; stereochemistry applied to protoplasmic processes and products, and as a strictly scientific basis for the classification of plants and animals,

Mode of access: Internet.

Darwin and modern science; essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species.

"Dates of the publication of Charles Darwin's books and of the principal events in his life": p. [xiii]-xvii.

Endangered Species Act Amendments of 1993 : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Third Congress, second session, on S. 921, a bill to reauthorize and amend the Endangered Species Act for the conservation of threatened and endangered species, and for other purposes.

"June 15; July 19; and September 29, 1994"--Pt. 2.

A natural history of new and rare ferns : containing species and varieties, none of which are included in any of the eight volumes of Ferns, British and exotic, amongst which are the new hymenophyllums and Trichomanes /

Includes index.

A catalogue of the indigenous and exotic plants growing in Ceylon, distinguishing the several esculent vegetables, fruits, roots and grains; together with a sketch of the divisions of genera and species in use amongst the Singhalese. Also an outline of the Linnaean sexual system of botany: in the English and Singhalese languages. For the use of the Singhalese.

"Additions" and "Corrections": [4] p. at end.

Nature-printed British ferns : being figures and descriptions of the species and varieties of ferns found in the United Kingdom /

Includes index.