DEVELOPMENTAL FORMS OF MARINE ALGT. 
By Lilian Lyle. (Vol. XVII, No. 10.) 
Corrigenda. 
The magnification of the text figures on pp. 232, 233, and 234 
should all be doubled. For X 20, read X40, for half nat. size 
read nat. size, and so throughout. The magnifications of the figures 
on Plates I and II are correct. 
