The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

1

The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

3

The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

2

A monograph of the British Desmidiaceæ, by W. West and G. S. West.

4

A monograph of the British Desmidiaceæ, by W. West and G. S. West.

1

A monograph of the British Desmidiaceæ, by W. West and G. S. West.

5

A monograph of the British Desmidiaceæ, by W. West and G. S. West.

2

A monograph of the British Desmidiaceæ, by W. West and G. S. West.

3

Die Fauna südwest-Australiens. Ergebnisse der Hamburger südwest-australischen Forschungsreise 1905. Hrsg. von prof. dr. W. Michaelsen und dr. R. Hartmeyer...

Bd.1,Lfr.6-7

Die Fauna südwest-Australiens. Ergebnisse der Hamburger südwest-australischen Forschungsreise 1905. Hrsg. von prof. dr. W. Michaelsen und dr. R. Hartmeyer...

Bd.2,Lfr.24-25

Die Fauna südwest-Australiens. Ergebnisse der Hamburger südwest-australischen Forschungsreise 1905. Hrsg. von prof. dr. W. Michaelsen und dr. R. Hartmeyer...

Bd.3,Lfr.11-13

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.12

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.1