96 



MICHIGAN ACADEMY OF SCIENCE. 



J n/o. of nxif/a. rn tJo / n ts. 



S 6 7 8 9 70 77 12 76 7^ 7S 76 /7 7^ /S 20 ar Z. 



% 



^ 



^ 





^ 



■ ^ 







^ 



Lhcvrt representi rto l/a.na./'/on in ra/mars. 

 JJ ^ A/o. of la im a. r (Jo i n. ts. 



8 



70 



77 /^ 75 7^ 







Chart representing VariaUon in Distichals. 



