Van Name. — Simple Ascidians. 
PLATE 48. 
Fig. 25. Caesira pannosa (Verrill). Left gonad and outline of intestinal 
loop, from rather small individual. 
Fig. 26. Caesira citrina (Alder and Hancock). 
Fig. 27. Caesira citrina (Alder and Hancock), 
Fig. 28. Caesira citrina (Alder and Hancock) 
intestinal loop. X 15. 
Fig. 29. Caesira citrina (Alder and Hancock). 
kidney. X 15. 
Fig. 30. Caesira citrina (Alder and Hancock). Large tentacle 
Fig. 31. Caesira crystallina (Moller). Tentacles. X 57. 
Fig. 32. Caesira crystallina (Moller). Dorsal tubercle. X 13. 
Fig. 33. Caesira crystallina (Moller). Right gonad and outline of kidney 
X 13. 
X5. 
Dorsal tubercle. X 25. 
End of intestine. X 25. 
Left gonad and outhne of 
Right gonad and outline of 
X35. 
