58 REVIEWS. 



in the pages of Huxley's " Anatomy of Invertebrated Animals," 

 London, 1877, which is still regarded as a reliable work of 

 reference. 



The second of Mr. Grenfell's criticisms is quite just ; the 

 passage should have read " one or jnore long hair-like processes ;" 

 and as regards the sixth, I cannot understand how so obvious an 

 error escaped me when reading the proof. 



W. E. HOYLE. 



1Review6* 



British Zoophytes : an Introduction to the Hydroida, 



Actinozoa, and Polyzoa found in Great Britain, Ireland, and the Channel 

 Islands. By Arthur S. Pennington, F.L.S., F.R.M.S. pp. xiv. — 263. 

 (London: L. Reeve and Co. 1885.) Price los. 6d. 



This work is intended to furnish a handy and at the same time a reliable 

 manual of the British Zoophytes, and to do for the present generation what 

 the Rev. Dr. Landsborough did for a former in his Popular History. The 

 author has endeavoured to make it a complete guide to all known British 

 Species, and as far as possible to give an accurate resurne of the present know- 

 ledge of the structure of the various organisms described. It is illustrated with 

 24 excellently drawn litho plates by Mrs. Pennington. 



The Technology of Bacteria Investigation. Explicit 



directions for the Study of Bacteria, their Culture, Staining, Mounting, etc., 

 according to the methods employed by the most eminent investigators. By 

 Chas. S. Dolley, M.D. pp. xii. — 263. (Boston, U.S.A. : S. E. Cassino and 

 Co.; London: Trlibner and Co. 1885.) Price los. 



To the student who devotes his attention to the Schizomycetes, this work 

 will doubtless render valuable assistance. The subject is treated in a very 

 thorough manner. Part I. gives general directions and treats of the living 

 forms, how obtained, etc.. Experiments in Culture, in Vaccination and Inocu- 

 lation, and Biological analysis. Part II. — Special Methods of Investigating 

 Pathological Bacteria in Anthrax, Cholera, Glanders, Hydrophobia, etc., and 

 in Plant Tissues. Part III. gives a great number of Formulae for Microscopical 

 Investigation, Mounting, &c. 



Practical Histology and Pathology. By Heneage Gibbs, 



M.D. Third Edition, pp. xii. — 196. (London: W. R. Lewes. 1885.) 

 Price 6s. 



The author lays before his readers concise and simple methods by which 

 the various tissues of the body may be prepared for microscopical examination. 

 He gives also the results of his experiments with various colouring agents for 

 double and treble staining. Blank paper is bound up at the end of the book 

 for Memoranda. 



