Shukei.dt: Ostkoi.ogy of iiii'; Herodiones. 



209 



same way and in the same order, I fmd the proximal phalanx to be 4 

 centimeters long; the next 3.9, the next 2.1 ; and the ungual one, 

 measured as before, i.i centimeters long. 



i ; 



Fi^.JS. 



Ti0.3y. 



Fu;. 35. Anconal aspect, proximal extremity of the right humerus of Ardea her- 

 odias. 



Fig. 36. Right humerus o{ Nycticorax violaceus (subadult) ; anconal aspect. 



Fig. 37. Right humerus oi Ardea candidissiina ; anconal aspect. All three bones 

 natural size, and drawn from the specimens by the author. 



Outer digit has five joints agreeing in the main with the other pha- 

 langes of the toes of this Heron's foot. They measure, in the order as 

 given above, from proximal to last one, 2.9, 2.8, 1.7, and i centi- 

 meter long. Of course the actual length of these ungual measurements 

 will be found to -be rather more than those I have given, but it must 

 14 



