The natural history of British shells : including figures and descriptions of all the species hitherto discovered in Great Britain, systematically arranged in the Linnean manner, with scientific and general observations on each ; in five volumes /

4

A monograph on the sub-class Cirripedia, with figures of all the species. By Charles Darwin.

2

A monograph on the sub-class Cirripedia, with figures of all the species. By Charles Darwin.

1

The fishes of Illinois / Stephen Alfred Forbes and Robert Earl Richardson.

2nd ed.

New species of Xanthium and Solidago. By Charles Frederick Millspaugh and Earl E. Sherff.

v.4:no.1(1918)

The American species of Passifloraceae, by Ellsworth P. Killip.

v.19:pt.2(1938)

The North American species of Rumex, by K. H. Rechinger, jr.

v.17:no.1(1937)

I. New species of Cuban Senecioneae. II. Diagnoses of new species and notes on other spermatophytes, chiefly from Mexico and Central America. By Jesse More Greenman.

v.2:no.8(1912)

The planktonic freshwater species of Microcystis, by Francis Drouet ... and William A. Daily.

v.20:no.3(1939)

Revision of the North American species of Xanthium, by Charles Frederick Millspaugh and Earl Edward Sherff.

v.4:no.2(1919)

A preliminary study of Hawaiian species of the genus Rauvolfia. Additions to the genera Scalesia and Hidalgoa.

v.23:no.7(1947)

New species of Croton from Guatemala, by Leon Croizat.

v.22:no.8(1942)