Tafel XI. 



Fig. 1. Spiriferella saranae VERN. Ventralklappc. Store Bjornekap. Exemplar 



N 459. Natttrliche Grosse. 

 2. Spiriferella Keilhavi BUC.H. Ventralklappe. Store Bjornekap. Exemplar 



N 461. Nattirliche Grosse. 

 3. Spiriferella Keilhavi Burn. Store BjSrnekap. Exemplar N 460. Natiir- 



liche GrOsse. 

 4. Spiriferella Parryana Ton.A. Store BjOrnekap. Exemplar N 480. Natiir- 



liche Grosse. 



