Botany and Zoology. 157 
15. Tabellarische Uebersicht der Mineralien nach ihren krys- 
tallographisch-chemischen Beziehungen geordnet von 
rkoTH.—Zweite vullstiindig neu bearbeitete Auflage. 134 pp. 
on (Phe 
Vieweg & Son). — Professor 
to. Braunschweig, 1882 
. 
according to chernical characters end crystalline form, giving 
Ill. Botany AND ZOOLOGY. 
_|. Natural History Nomenclature.—The Zoological Society of 
France has issued a pamphlet entitled “Régles applicable a la 
oS 
orum, fluvialis and Jluviatilis” are not allowed in the same genus. 
two of them had found their. way into a large genus of plants, 
botanists would hardly regard it as a case of double employment 
e name 
