SiiuiKLDi' : ( )sTE()i.<>i;\' (M- riiK Herodionks. 



247 



auna. Apart from this difference in size the essential characters as 

 found in it, the Spoonbill practically agrees with the corresponding 

 ones as they occur in ihe humerus of the Ibis. This statement applies 

 with eipial truth to the bones of the /^'-'r(i'/-w, carpus zxid /la/iif. I find 



I _^,^00r?^^-?^^_^ 



l"iG. 41. Fig. 40. 



Fig. 40. Distal end of the mandible of Ajaja ajaja : superior surface ; j4 nat. size. 

 Probably a male. 



Fig. 41. Mandible of Ajaja ajaja. Inferior surface ; j^ nat. size. Belongs to the 

 same skeleton from which the skull shown in Fig. 39 was taken. Both figures 

 drawn by the author. 



in Ajaja, however, the ulna to have a length of 15.7 cm., and maims 

 an extreme length of 9.4 centimeters. 



Passing to the bones of th^ pelvic extremity, we are at once struck by 

 a very notable difference in these two genera, for although the salient 



