Kong. Vet Akad-HandlBd. SI. m_7. 



Wirén, Cirko Diijesthos Aiuielidei Tail.II. 





Ä*— Ä»5-^ _„ ^_=«^V^!^ -^ 



A "Wirén del. 



hithM Schlachter, Stocldiolm 



Fig.1-2 Thelepus circmnata. Fig. 3-5 TerelDella debilis 

 Fi^ G-12 Amphitrite affinis. 



