282 



PL A THELMINTHES. 



Fia. 244. Proglottid of Tceiiia sac/innta, near maturity. (After Sommer.) rfo, cirrus 

 sheath; d, vitellarium ; fc, genital pore; JV, nerve cord; Keph^ excretory canal ; 

 ov, ovary; rs, receptaculum seminis; sdr, shell gland; , testes; it, uterus; vd, vas 

 deferens. 



FIG. 245. Eggs of parasites from the human intestine, enlarged 400 diameters. (From 

 Leuckart.) a, Ascaris lumbricoides; 6, c, Oxi/uris vermicularis ; d, Trichocephalus 

 dispar; e, Dochmius duodenalis; f, Dislomum hepaticum; g, Dist. lanceolatum; h, 

 Tcenia solium; i, T. saginata; k, Bothriocephalus latus. 



