HELMINTH PARASITES OF BIRDS — DENTON AND BYRD 175 



Figure 37.— a, Brachylecithum seiuricum, new species, from the liver of Seiurus aurocapillus, 

 ventral view; b, lateral view of anterior end of Brachylecithum seturtcum, from beiurus 

 aurocapillus, showing center of acetabulum protruded; c, d, e, f, sketches showing the 

 variation in the vitellaria and ends of the ceca in different specimens of Brachylecithum 

 seiuricum, from Seiurus aurocapillus; g, Brachylecithum delicatum, new species, from the 

 liver of Pipilo eryihrophthalmus, ventral view; h, lateral view of anterior end of Brachy- 

 lecithum delicatum, from Pipilo eryihrophthalmus; i, sketch, showing the lobation of the 

 testes in an older specimen of Brachylecithum delicatum from Pipdo eryihrophthalmus; j, 

 k I, sketches showing the variation in the vitellaria and in the length of the ceca in Brachy 

 lecithum delicatum, from Pipilo eryihrophthalmus; m, Brachylecithum moorei, new species, 

 from the liver of Buho virginianus, ventral view. 



