284 INTRODUCTION TO THE STUDY OF THE DIATOMACE®, 
assure Mr. Fielding, is not “the late”) may enable him to turn his 
opportunities to useful account. 
reprinted from the Cheltenham Examiner of May 17th ——contains 
an excellent summary of the Gloucestershire Flora. It was read 
Mr. Burkitt's little paper—a mere ten pages of small type 
that ‘‘it is proposed to publish a reference list, indicating 
where each Gloucestershire plant is recorded” ; this is good news. 
An Introduction to the Study of the Diatomacea. By Frepericx Wa. 
muus. London: Iliffe & Son. 1893. Pp. xi, 243. 6 figs. 
of apparatus. Price 12s. 
- Mixxs has brought together the information contained in 
this book with the purpose of making mor i 
students, especially those who have not access to expensive works, 
any guide to t i 
to the Study of the Diatomaceea, an a Bibliography 
introductory portion is largely concerned with apparatus for the 
study, but contains also information the Diatoms themselves 
examples. In seventy-seven pages, the proofs of which the author 
cannot have read with any particular attention, we have this intro- 
duction set forth—a humdrum performance which may be useful 
enough to microscopists. Pages 78-240 are occupied with a 
arrangement of the bibliography is @ small affai n- 
tribu De Toni's Sylloge a Bibliography of Diatoms up to 1891 
—a thorough and workmanli ormance has added 
to it references bringing it more or less up to date, including his 
own works, and even the work under notice, the first instance 
own to us of a book referring to itself in a bibliography. These 
additions are not serious in amount, and can hardly give their 
Giinther ck’s Geschichte des Wiener Herbariums, where in Mr. 
Deby’s work the word « wichtigeren”” is printed with a defective ‘«h” 
