Bull. U. S. B. F. 1912. 



Plate CX. 



r.r 



*T 



Si \%% 



Let ;.4^^ t'v.-5v-rv'.^- >?fc^^'i 



?oi>.\- ;?^);«i: SL^ii}''' ^^W'-^^^.- ?;:?'' 





••V: V >t>;V£.4i'*Jvis-, 





Km. 122. — Section of doe's tli\Toitl sliowing tubercle with 

 cross section of nematode in capsule. X7t). 



Fit;. 12.^. — Section showing head ut nenuitode inclosed in 

 tubercle. X550. 









::i 



^^ 









Fid. 124. — Cross section of nematode in centerof tubercle, 

 in dog's thyroid. X130. 



Fig. 125. — Healed tubercle showing" no evidence of 

 nematode. X130. 





xh- 



I'^-f^r *S5: 









^;.'.;s^-. 



>! 



V 



Fk;. 126. — Section of tubercle in fish showing spaces 

 evidently occupied by nematode. X240. 



Fig. 127. — Section showing healeil tubercle in fish. 



xuo. 



