A H I S T O R Y
O F TH E
B E IT I8H
F R E S H W A T E E A L G ^ ,
IIJCI.UDING D iiSC E IP T tO N S OP
THE DESMIDEiE AND DIATOMACEA:.
WITH
UPWARDS OP ONE HUNDRED PLATES,
IL LU STRA T IN G TH E VARIOUS S PE C IE S .
JIV
ARTHUR H IL L HASSALL,
FELLOW OB' TH E LINNASAN SO C IE TY ;
M LX IliE il OF THE ROYAL COLLEGE OF SURGEONS, LONDON, AND OF TH E LONDON
BOTANICAL SO C IE TY ; AND CORRESPONDING MEMBER OF THE DUBLIN
NATURAL HISTORY SOCIETY.
IN TWO V O LUM ES .
VOL. I.
L O N D O N :
S. HIGHLEY, 32. FLEET STREET;
AND H. BAILLIERE, 219. REGENT STREET.
EDINBURGH: SUTHERLAND & KNOX, 58, PRINCE’S STREET.
PARIS : J. B. BAILLIERE. LEIPSIG : T. O. WEIGEL.
1845.