PLATE XXXII. 



Figs. 1-6. Ascidia falcigera, Herdman. 

 Figs. 7-10. Ascidia tenera, Herdman. 



Fig. 1. Ascidia falcigera, from the right side ; natural size. 



Fig. 2. Another specimen of the same species, from the right side ; natural size. 



Fig. 3. Part of the branchial sac of Ascidia falcigera, seen from the inside ; magnified 



(Hartn., obj. 4). 

 Fig. 4. Part of the dorsal lamina of the same species ; magnified (Hartn., obj. 4). 

 Fig. 5. Part of the tentacular circlet; magnified (Hartn., obj. 4). 

 Fig. 6. The dorsal tubercle of Ascidia falcigera ; magnified (Hartn., obj. 4). 

 Fig. 7. Ascidia tenera, from the right side ; natural size. 

 Fig. 8. Part of the branchial sac of Ascidia tenera, seen from the inside ; magnified 



(Hartn., obj. 4). 

 Fig. 9. Part of the dorsal lamina of the same species; magnified (Hartn., obj. 4). 

 Fig. 10. The dorsal tubercle and peripharyngeal band of Ascidia tenera ; magnified 



(Hartn., obj. 4). 



