DEVELOPMENT OF EYELIDS OF ALBINO RAT 



WILLIAM H. F. ADDISON AND HAROLD W. HOW 



PLATE 2 





/9 Day Fetus. 



7 

 2/ Day Fetus. 







•atoms' «v .«»■'■• <^ "^ ^^tStoi^^JV^ 



At Birth. 



^Day. 



•>/^5l 







8 Day. 







10 Day. 



.31 



