60 Reviews. 
meter, Specific and Latent Heat, the Eye and Optical Illusions, the Telescope 
and Microscope, the Ear and Hearing, the Phonograph and Microphone, 
Singing Frames, etc. They form a most interesting series of books and are 
very nicely illustrated. 
FLowEr-LanpD: An Introduction to Botany for Children and 
for use of Parents and Teachers. By Robert Fisher, M.A. Post 8vo, pp. 62. 
(Manchester and London: John Heywood. 1887.) 
This book, written especially for children, describes in plain language the 
various parts of a plant, the way in which they are arranged and named, and 
the uses of plants, and concludes with a short chapter on collecting and drying 
plants. It is written in a pleasing and easy style. 
PRACTICAL GUIDE TO PHOTOGRAPHY and Photo-Mechanical 
Printing Processes. By W. K. Burton. Crown $vo, pp. 355. (London : 
Marion and Co., Soho Square. 1887.) Price 4s. 
The author of the book before us, whose works are so well known, tells 
us that his object is to give practical instructions in the working of all the pro- 
cesses which are in actual every-day use up to the present date, and to make 
such instructions of so full a nature that they may serve as a guide to anyone 
who may wish to practice the processes. 
We have Historical Sketches of Photographic and Photo-Mechanical 
Printing Processes, followed by remarks on Contact Printing, several chapters 
on Silver Printing, Carbon, and Platinotype Processes, Mounting Prints, 
Photo-Mechanical Printing, etc. 
MARION’S PRACTICAL GUIDE TO PHOTOGRAPHY. Crown 8vo, 
pp. vili.—229. (London: Marion and Co. 1887.) 
This is a new and enlarged edition of a work which is well known to 
most of those who take an interest in the subject. After tracing in the first 
two chapters the history of the art, it treats of the application of modern pho- 
tography, and careful instructions are given as to the requirements of the dark- 
room, exposure, development, defects and remedies, toning, fixing, mounting, 
etc. Several chapters are given to Portraiture and others to Photographic 
Optics; a5 a 2 
THE ArT OF RETOUCHING NEGATIVES and Finishing and 
Colouring Photographs. By Robert Johnson. 8vo, pp. 87. (London: 
Marion and Co. 1886.) 
Very clear instructions are given here on the art of Retouching Negatives, 
which, if carefully and intelligently followed, will soon help the student to 
become very proficient in the art. Instructions in the various sections of this 
book are illustrated by a number of lithographic plates. 
The three books just noticed are well printed and neatly bound in red 
cloth, and form quite a library of photographic instruction. 
Das A B C der Modernen Photographie. Von W. K., 
Burton. Deutsch von Hermann Schnause. Post 8vo, pp. 170. (Dusseldorf: 
Ed. Liesegang. 1887.) 
This is the third German edition of Mr. W. K. Burton’s well-known 
A BC, which has been very ably translated by H. Schnause. 
Wesp’s (Wordsley, Staffordshire) SPRING CATALOGUE for 1888 
contains, in addition to along list of seeds and plants of every description, 
some very interesting Historical Notes on Vegetables, and also Notes on the 
Cultivation of Vegetables and Flowers. 
