422 Scientific Intelligence. 
two years ago. They have been awaiting Prof. Braun’s account 
of the Rhizocarpece and Isoetes, which, when issued, will complete 
the volume of the higher Cryptogamia. ; 
of. Hofmeister has accepted the botanical chair at Tiibingen, 
vacated by the death of Von Mohl; Dr. Sachs succeeds Hofmeis- 
Kiel. Prof. Kerner has been transferred from Innspruck to the 
University of Prague. By a misprint in the July number of this 
ournal, the name of the late Dr. Wight was given as Dr, Wright. 
Herbarium of the late Dr. Curtis—A biographical notice of 
gt ous ; 
the types of the hundreds or even thousands of species which Dr. 
Curtis has described, or at least determined and catalogued. Its 
Bentham and Hooker’s Genera Plantarum, vol. 2.—We bere 
seen more of the earlier sheets of this volume, the first part © 
G 
, so a text-book upon Chemical Technology, we UY 
that more attention will be paid to teaching it systematically 1 
our schools of science, | 
_ _ 18. On Beavers and Beaver Dams in Mississippi ; = Mr. 
(From a letter to one of the editors, date¢ Ray 
; ppi, Sept. 12.)—I have resided in ss 
