Experimental Studies on Germinal Localization. 49 



Fig. XI. 

 Larvae of 24 Hours, from Egg-fragments. 



85, 86, Twin larva of 24 hours, oblique section passing outside lower polar 

 area, 85, the lower, 86, the npper larva; 87, larva from lower two-thirds, hori- 

 zontal section, without apical organ; 88, larva from lower two-thirds, oblique 

 section, two apical organs; 89, larva from nearly vertical section; 90, larva 

 from smaller fragment, slightly oblique section bisecting lower area; 91, 92, 

 twin larvae, produced from 81 and 82 respectively, vertical section; 93, larva 

 from exactly vertical section. 



