“Ready July 7th. — Cloth, De yi A os } 
AN INTRODUCTION TO. one’ 
THE DIATOM 
By F. W. MILLS, F.RMLS., Author of ' Photography applied to the Mieroscope,’ te 
With a BIBLIO ispecies by Juumen Deny, F.R. M. 8. os 
ONTENTS :— Introdu y Remarks.—Structure of Diatoms.— 
bk The Movements of Diatom Classification of cord Dintectanae With a Sanne 
S62? sot the Fa neue and Gen era. — Modes of R iction. — Co irae 
Mounting Dia 1 Bzamination of Diatoms.—How 
- Diatoms. EBibhography, C Taaee 
Loxpon: ILIFFE & SON, 3, Sr. Brrpe Srruer, Ec. 
Wasutneton, D.C., U.S. Ass 
THe Microscoprean Puprisnine Compaxy. 
Bars 
Now Realy.  Peleh 78. 6d, Post Sek 
GUIDE TO BRITISH MOSSES, 
WITH KEYS TO THE GENERA AND SP C 
B Ges , 
‘te the First tof eo Mon te a wears bn . tf re 
tee ala the Wort, = 
An arn J “gine of a 
. | 
R. Roki, F.ES. 
aS R. Saves, F.E. S. 
