Van Name. — Simple Ascidians. 
PLATE 46. 
Fig. 14. Caesira septentrionalis (Traustedt). Left gonad and outline of 
intestinal loop. X 7. 
Fig. 15. Caesira septentrionalis (Traustedt). Right gonad and outline of 
kidney. X 7. 
Fig. 16. Caesira septentrionalis (Traustedt). Tentacles. X 28. 
Fig. 17. Caesira intumescens, sp. nov. Tentacles. X 18. 
Fig. 18. Caesira intumescens, sp. nov. Right gonad and outline of kiuney. 
X8. 
Fig. 19. Caesira intumescens, sp. nov. Dorsal tubercle. X 17. 
Fig. 20. Caesira intumescens, sp. nov. Part of branchial sac. Ventral 
region. X 14. 
