TiENIAD/E. 115 



a. Ovum iu all stages. 



b. Six-hooked embryo = boring larva 

 (T.S.O.)=i>'"''Sf?o^ea:(VanBeueden) -a itx ^ \ 



c. Resting larva (T.S. C. )=Cys^icerc?js [ i ^ ^'' 



„ ^ ) pisiformis =^scolex (Van Beneden) 



Zoological Individual < , /^ -^ ^ ^ ■ ^^ ^ 



a. imraature tapeworm m all stages. 



e. T(sma serrata = sexually mature tapeworm colony 



= strobila. 



f. Proglottis = free-joint or segment = deutero-zooid 



(Huxley). 



Genera. — Tcenia, Linneus ; = Alyselminthus, Zeder ; = Halysis, 

 Zeder; = BhytelmintJms, Olfers; = Thysanosoma, Diesing; = (in 

 the larval state) Gysticercus, Rudolpki ; = Hydra, Linneus ; = 

 Vesicara, Schrank ; = Hydatigena, Groeze ; = Hydatula, Yiborg ; 

 = Hydatis, Lamarck ; = Finna, Werner ; = Piestocystis, Diesing ; 

 = Gwnurus, EndolpM; = Polycephalus, Zeder; = EcUnococcus, 

 RudolpM; Sciadocephalus, Diesing; Ephedrocephalus, Diesing; 

 Amphoteromorphus, Diesing ; Peltidocotyle, Diesing ; Garyophyllceus, 

 Grmelin ; = PhylUne, Abildgaard ; = Garyophyllinus, Schrank ; 

 Diplacanthus, Weinland ; Acanthotrias, Weinland ; Eymenolopis, 

 Weinland; Tceniarhynchus, Weinland; EcMnococcifer, Weinland; 

 Proteocephalus, Weinland; Dipylidium., Leuckart. 



