26 



DEPARTMENT OF GAME AND FISHERIES 



No. 9 



Wardius zihethicus. Barker and East, 1915. 



Only two specimens have been found in the duodenum of muskrats trapped 

 in the vicinity of the Experimental Fur Farm. Fresh specimens, reddish white 

 in colour with rounded margins. Cuticle smooth and spineless. The body 

 tapers slightly towards the oral sucker. The posterior sucker is situated at the 

 extreme posterior end of the body, measuring from 4.7 mm. to 5.8 mm. long by 

 1.16 mm. to 1.95 mm. wide. Oral sucker subterminal 0.485 mm. in diameter. 



Fig. 6. — Notocotyle qtiinqueseriale: os., 

 Oral sucker; gp., Genital pore ;va., Vagina; 

 cr., Cirrus sac; ce., Ceca; cp., Cirrus 

 pouch; pap., Papillae; ut., Uterus; vit., 

 X'iteiiaria: sg., Shell gland; t., Testes; ov., 

 Ovary. (Original, Law and Kennedy.) 



(-RGL .■'^ahK) 



Pharynx divided into two distinct pockets. Oesophagus well marked and 

 tubular. Ceca prominent, undulating, ending anterior to posterior sucker. 

 Testis situated tandem fashion in the median line, dendritic in shape. Ovary 

 lies in the median line in the posterior region of the body, rounded to oval in 

 shape. Shell gland anterior to ovary. Vitellaria extracecal extending from the 

 oral sucker to the middle of the posterior sucker. Uterine coil arises anterior to 

 the ovary and proceeds on the median line, to a short distance below the bifurca- 

 tion of the ceca ending at the genital pore. 



Eggs oval from 0.014 mm. to 0.015 mm. long by 0.009 mm. to 0.013 mm. 

 wide. 



