Botany and Zoology. 281 
5. Handbook of British Water-weeds or Alge, by Dr. Jonn Epwa 
Gray, F.R.S., &.—The Diatomacee, by W. Caruruers, F.LS., &¢.— 
London: Hardwicke, 1864. pp. 123, 18mo.—An excellent little manual, 
and one which may be very useful and convenient in this country also 
(so many of the Alge being identical), containing as it does the Fresh 
Water species, but these only in an arranged list, with references to the 
leading figures. The Desmidee and Diatomacee add much to its value. 
a.G 
6. Scolopendrium oficinarum in Western New York: probable deter- 
mination of the original locality of Pursh ; by J. . Patnz, Jn.—At the 
therefore, was visited to find out how far this new station is from “On- 
v 
Whirlpools, as the one in the Niagara river. On the shaded talus of 
nearest of these, “Little lake,” about one mile west of the town, 
Scolopendrium was detected in limited quantity, with Camptosorus rhi- 
zophyllus. “Green pond” and “White lake” occur near together, two 
