HELMINTH PARASITES OF BIRDS — DENTON AND BTRD 187 



Lowery, Cassidix mexicanus major (Vieillot), Euphagus Carolinus 

 (Miiller), and Stumella magna argutula Bangs. 

 Habitat. — Gall bladder. 



Figure 39. — a, Conspicuum icteridorum, new species, from the gall bladder of Quiscalus 

 quiscula aeneus, ventral view; h, excretory system of Conspicuum icteridorum (freehand 

 sketch on camera lucida outline); c, Conspicuum macrorchis, new species, from gal! bladder 

 of Corvus brachyrhynchos, ventral view; d, Zonorchis alveyi (Martin and Gee, 1949), from 

 the gall bladder of Pipilo erythropkthalmus, ventral view; e, optical sagittal section of 

 anterior end of Zonorchis alveyi, from Pipilo erythrophihalmus, showing relative position of 

 organs and deep lumen of acetabulum. 



