Annals E. S. A. 



Vol. IV, Plate XXII. 



16 



IS 



14 



13 



12 



11 



10 



9 



8 



7 



6 



s 



4 

 6 

 2 



1 



o 



20 

 19 

 18 

 17 



16 



IS 



14 



13 



12 



11 



10 



9 



8 



7 



6 



5 



4 



3 



2 



1 



o 



/\ mother \ 



curve a, 1st Qen. 



'., b . 



c , . . 





/\ mother 

 curve d Istaen, 



▲ mot her 



curve a Ist'geru 



h .. 



-2> 



* *? & * * 



Miriam A. Palmer. 



