TABLE OF CONTENTS. 



Pape. 



Iiitroduc-lion 5 



( )ii type .specimens in natural liislory 7 



Classification of lypv spccinu'ns 9 



Priniar\- types, or ])r()tcrolyp('s 9, 10 



J lolotype 10 



Cotype II 



Paratypc 11 



Lcctotype 12 



Chirotype . . 12 



Su])])lenientary types 9, 1 2 



riesiotype 12 



Neotype 13 



Ileautotype 14 



Typical s])eciniens, or icotypes 9. 14 



Topotype 14 



Metatype 14 



Honiceotype 14 



Ideotype 15 



Type drawings 15 



Reproductions of type specimens 15 



Types of genera, or genotypes 16 



Types of organisms in relatit)n to geogra])liic distribution 16 



IMarking of type material 17 



Literature on type terms 17 



Catalogue of the type sjjeciniens 19 



3 



