Plate VIIIb. 
Fig. 5—Filaria Pap!llosa. 
(Cephalic extremity). 
a, Oral cavity. 
b, Two rings with four papil- Fig. 6—Filaria Papillosa. 
lae each, two in situ. (Caudal extremity of male). 
ec, Pharynx. a, Spiculae. 
d, Oesophagus, b, Anus. 
Fig. 7—Heterakis Papillosa. 
(Caudal extremity of male). 
a, Spiculae unequal length, 
b, Preanal sucker. 
ce, Papillae. 
~ 
Fig. 8—Filaria Immitis. 
(Male), 
a, Cephalic extremity. 
b, Caudal extremity, 
