1880. | Recent Literature. 797 
twelve chapters on the following subjects: protoplasm, the plant 
cell, the cell wall, the formation of new cells, the products 
of the cell, the tissues, the tissue systems, intercellular spaces 
and secretion reservoirs, the plant body, the chemical con- 
as possible to their pupils. 
The second part occupies the last four hundred pages of the 
book, and is entitled, Special Anatomy and Physiology. It treats 
of the general classification of plants. The arrangement of the 
lower plants is a modification of the system of Sachs, while the 
author has made a considerable innovation in raising the Proto- 
phyta, Zygosporee, Odsporee and Carposporee to the dignity 
its treatment, we leave to others the task of detecting and 
noticing the errors and shortcomings, if such occur. 
HUXLEY’S Inrropuctory To SCIENCE Primers.'—Every incipient 
biologist or geologist should study this little primer, which will 
Serve admirably its purpose as a brief and plain introduction to 
the study of nature. It is well calculated to be used as a text 
book for classes in elementary biology or geology, and we intend 
to use it as a basis for preliminary instruction to a course of physi- 
cal geography. Beginning with nature and science it treats of 
sensation and things, causes and effects, the order of nature, laws 
of nature, and gives a definition of science. A second art discus- 
ses material objects, which are divided (A) into mineral bodies, 
| Science Primers. Edited by Profs. HUXLEY, ROSCOE and BALFOUR STEWART. 
Introductory. By Prof. Huxuey, F.R.S. New York, D. Appleton & Co., 1880. 
Iomo, pp. 94. 35 cents. 
