Plate VII. 
in. 1—Spiroptera Strongylina 
a, Male. 
b, Female, 
Fig. 2—Spiroptern Strong yli- 
na. 
(Cephalic extremity show- 
ing mouth and oesopha- 
gus). 
Fig. 4—Spiroptera Strongyli- 
Fig. 3—Spiroptern = Strongyli- na. 
ae (Caudal extremity of fe- 
(Caudal extremity of male. male showing uterus filled 
with eggs, vulva and anus). 
Showing 2 spiculae and 
wings, also papillae). 
: ee sie 
Fig. 7—Oxyuris Mastigodes. 
Fig. 5—Ascaris Mystax. (Female). 
a, Cephalic extremity. a, Cephalic extremity, 
b, Caudal extremity. b, Caudal extremity, 
Fig. G—Cephalic extremity of 
Ascaris Suis, 
(Front view). 
a, Oral opening. 
b, Lips. 
e, Cuticular surface surround- 
ing mouth, 
d, Portion of body. 
