BIRDS OF THE FAMILIES TANAGRID^ AND ICTERID^ I55 



Genus Pseudagelaeus. (Type, Agelceus imthurni Sclater.) 

 Allied to Scaphidurus, but bill more slender, more attenuated and 

 less sti'ongly decurved terminally ; tail less graduated, the graduation 

 less than one fourth the length of middle rectrices (instead of between 

 one fourth and one third as much) ; lateral toes longer, their claws 

 reaching to base of middle claw. 



Type^ Agelceus imthurni^ Sclatek. (Monotypic.) 



Genus Xanthopsar. (Type, Oriolus Jlavus Gmelin.) 

 Similar to Agelaius^ but bill relatively much longer and more slen- 

 der, equaling or exceeding the head in length ; ninth primary longest, 

 or equal to the longest (the ninth, eighth and seventh about equal in 

 length) ; tarsus relatively shorter (but little longer than culmen and but 

 little more than one fourth as long as wing) ; middle toe, with claw, 

 longer than tarsus ; claw of inner toe falling short of base of middle 

 claw, the outer toe still shorter ; hallux decidedly shorter than lateral 

 toes, its claw very long (exceeding the digit in length) and narrow, the 

 anterior claws relatively very small. 



