36 



ART. 1. T. FUJITA : ON THE FORMATION 



Tables showing the cell-lineage in Molluscan Egg. 



b.c bilateral-cell ni mesomere-oell segmented 



d entomere-cell m,, ni,, etc raesuderm-cells 



ent entomere-cells excepted n generation <jf ectonieie-cell- 



M mesome re-cell 



I Siphon A RIA 



7 hours 



Order ot" (Jiiartet 



I II III IV V VI VII VIII I XI X 



9-10 



II Aplysia 



