Experimental Studies on Germinal Localization. 241 



1/4 and 1/2 Larva. Patella; x 250. 



109-111, cleavage of isolated 1/4, open type; 112, resulting larva, 24 hours; 

 113, 114, tw^in larvae. 9 hours, 113 of the closed type, 114 of the open; 115, 

 closed J^-larva, 9 hours; 116, closed J/^-larva, 11 hours, apical view; 117, 118, 

 products of open type, 24 hours. 



