Archiv für Naturgeschichte 



Jahrgang 83 

 1917 



Abteilung B 



Heft 10 Myriopoda, Araclinida 



Frototracheata, never issued 

 Crußtacea 



Heft 11 Timicata,Mullusca, 



Brachioi'Oda, Eryozoa, 

 Vermes jEchinodenaata , 

 C ollent erata ^Spongiae 



Heft 12 Protozoa 



never issued 



never issued 



