CASTLE. — Ciona intestinalis, 
PLATE V, 
Six successive views of a living egg, seen from the anterior end; 
Figs. 27-31 show the egg viewed a 
Fig. 32 is a surface view, 
magnification, 
8 a transparent object. 
915 diameters. 
Fig.27. 2-cell stage, newly formed. 
Fig. 28. 2-cell stage, a few minutes later. 
Fig.29. 2-cell stage, a few minutes later still. 
Fig. 30. 4-cell stage. 
Fig. 31. 8-cell Stage, just formed. 
Fig. 32. 8-cell stage, a few minutes later. 
