PLATE XXXV. 



Figs. 1 and 2. Ciona savignyi, n. sp. 

 Figs. 3-5. Clavelina enormis, Herdman. 

 Figs. 6-10. Clavelina oblonga, Herdman. 



Fig. 1. Ciona savignyi ; natural size. 



Fig. 2. Part uf the branchial sac of Ciona savignyi, seen from the inside ; magnified 



(Hartn., obj. 4). 

 Fig. 3. A colony of Clavelina enormis; natural size. 

 Fig. 4. Part of the branchial sac of Clavelina enormis, seen from the inside ; magnified 



(Hartn., obj 4). 

 Fig. 5. Part of the dorsal lamina of the same species, showing the large triangular 



languets (/.) ; magnified (Hartn., obj. 4). 

 Fig. 6. A colony of Clavelina oblonga; natural size. 

 Fig. 7. Part of- the branchial sac of Clavelina oblonga, seen from the inside; magnified 



(Hartn., obj 4). 

 Fig. 8. The dorsal part of the branchial sac of Clavelina oblonga, seen from the inside, 



showing some of the languets (/.) ; magnified (Hartn., obj. 4). 

 Fig. 9. Part of the same branchial sac, seen from the inside; much magnified 



(Hartn., obj. 5). 

 Fig. 10. Part of the tentacular circlet of Clavelina oblonga, showing large and small 



tentacles; magnified (Hartn., obj. 4). 



