BR I T I SH DESMIDS .
A SUPPLEMENT TO
BRITISH FRE SH-WATER ALGiE.
JM it i) 66 aiolouwii p la te s .
BY
M. C. COOKE, M.A., LL.D., A.L.S.,
Author o f “ British Fresh-Water Algm,” "Illustrations o f British
Fungi," " Myoographia," " Sandboolc o f British Fungi,"
"T h e Woodlands," “ Ponds and Bitches," “Freaks
and Marvels o f Plant L ife ,” “ The My.
o f (Treat Britain,” Sfc., ^c.
WILLIAMS AND NORGATE,
H EN R IE T TA STR E E T , COVENT GARD EN , LONDON ;
SOUTH FRED ERICK STR E E T , EDINBURGH.
L E IPZ IG : F . A. BROCKHAUS. N EW YORK : WESTBRMANN & CO.
1887.