170 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Figure 36. — a. Brachylecithum nanum, new species, from the liver of Pipilo erythrofhihal- 

 mus, ventral view; h, c, lateral views of anterior ends of Brachylecithum nanum from 

 Pipilo erythrophthalmus, showing acetabulum with center protruded and with shallow 

 lumen; d, Brachylecithum nanum from the liver of Zonotrichia alhicollis, ventral view; 

 e, Brachylecithum gruis, new species, from the liver of Grus canadensis tahida, ventral 

 view (drawing made from camera lucida sketches of parts of three worms);/, Athesmia 

 htUrolecithodes (Braun, 1899) from the liver of Gallinula chloropus cachinnans, dorsal view. 



