PREFATORY NOTICE, 
Sot neem eae c 
Tae subject matter of the present Bulletin differs from previous ones, 
in that it deals only with those plants commonly known as Fresh- 
ter Algw, 
are described in the present publication than were previously known 
to inhabit our waters. Their salt-water allies, probably owing to the 
bright colours of many, have received a fair share of attention. Being 
Specialist upon this particular order of lants ; and his paper upon the 
first lot examined furnishes the groundwork for the present Bulletin. 
Finding that the plants to be recorded as additions to the 
Queensland Flora represented many families and a large genera, I 
. y » dra ; 
a * British Freshwater Alow and Desmids,” for an account of the life 
and 
4 ra ‘pecies and varieties, as well as his remarks upon others, are all 
q “apg being translated from the German of his pamphlet by my 
3 d Mr, W, J. Byram. 
It will be easily imagined that something more than a verbal 
 tomoron of the plants should be furnished, so_as to present them 
dns ct Persons who are likely to consult these Bulletins; therefore, 
a Werke ce.” large proportion of the kinds are given, all‘copied from 
B™ Btod authority—mostly from those by Dr. Cooke. 
.«¢xtended account given of the various modes of reproduction 
hag history of the Sauke composing the several families brought 
fond ntiee is furnished in the hope that this small pamphlet may be 
ie 48 an introduction to the study of freshwater alge in 
dot fh ust be borne in mind that at the present the microscope is 
Without rarity it was fifty years ago; now but few gentlemen are 
Sn om and to such ihis present publication will, doubtless, 
Mest acceptable. Tt may be the means of stimulating their desire 
