PLATE III. 



Fig. 1. Liver of Black-tail or Columbian Toast Deer {Odocoilens colnm- 

 biantts), showing the effect of liver-fluke (Fastiola magna Bassi). Note 

 enlarged ducts, and fluke cut across :it point " x." 



I 



Fig. 2. Measurement of eggs f.f FagHola magna. 

 Length, 140 micro -mm. : width, 100 micro-mm. 



ifrrc page 12.) 



Fig 



Average length of Fasciola magna, 

 4. r >.4 mm. ; width, 18.5 mm. 



