I 



WING AREA and TOTAL WEIGHT - BIRDS 



II cll bird, «m rf-M^W"""/ """""• "" ""'T """"tJ 

 orJr, end l«r,„m Vdr.df,ons t.l»»n ""J'^'^'J'"- 



Allhoadh pr,as> ddia o,f r«l d,d,K,bl. . ,1 « l^otldbl, Ihcl 



ducl:t comptnldl, lo, IK,,, ntdlinly lowtf .in^ v,a 



milh a corrispondmgli tughtr wing bedl role 



■Uoil wm, o„o ■ a m conslonl m /». ogoolion 



A • cm'" The liMs in Ihd phi cormpond lo Iht 



giytn yo/MS lor c 



Fig. 4 



