On the struuture of Taeniii confusa Ward. 



489 



T. siiyiiiatu 



T. solium 



T. confuia 



Totnl loii(,'tIi of tlio wonn 

 Total 110. of proglüttids 

 Size of terminal proglottid 



Cliange of form in tlie ter- 

 minal proglottid at anterior 

 end 



Greatest breadtli of cliain 

 Length of progluttids exceeds 

 breadth 



Proglottids 35 cm behiud 



the head measure 

 Sexually mature proglottids 



measure 

 Seiually mature proglottids 



show 



Diameter of head 



Necks 



Thickness of cuticula 



General musculature 



Longitudinal muscle tibres 



Calcareous bodies 



Longitudinal nerve Strands 



Seminal vesicle 

 Diameter of festes 

 Diameter of vas deferens 

 Length of cirrus pouch 

 Depth of generative cloaca 

 Widtli of pore 

 Receptaculum semiuis 



Vagina 



Posterior part of vagiua 



Ovary 



Connection of Uterus with 

 Shell gland 



4 8m 

 1300 



12 — 19 mm long, 

 5 — 6,5 mm wide 

 very considerably 



12—14 mm 



only in last 100 



1.5 — 2.6 mm long, 

 6 — 10 mm wide 



4 — 6 mm long, 

 8 — 10 mm wide 



disproportionate in- 

 crease iu breadth 



1.5 — 2 mm 



unsegmented 



* 0.0105 mm 



powerful 



not continuous be- 



tween proglottids 

 plentiful, measure up 



to 0.018 mm 

 dorsal to genital ducts 



absent 



0.15 mm 



0.025 mm (0.040) 



0.4—0.5 mm 



0.22 mm 



1 mm 



0.1 mm long by 



0.07 mm thick 

 ciliated 



littlc if any modified 

 anterior to recptacu 

 lum 



lobes round 



thin duct opens into 

 end of Uterus 



2—3.5 m 



850 



10 — 12 mm long by 



5 mm wide 

 slight 



7 — 8 mm 

 in last half 



0.8 mm long, 1.3 mm 



wide 

 2.5 — 3 mm long 



4.5 — 5 mm wide 



1 mm 



unsegmented 



delicate 

 do. 



sparsc, measure up to 

 0.12 mm 



do. 



absent 



0.12 — 0.15 mm 

 t 



t 

 t 

 t 



t 



y ciliated 



part of smaller one cut 

 off" by Vagina. Lobes 

 transversely oval 



duct longer and con-| 

 nects sanie as in 

 T. saginata 



5 — 8 m 



750—800 



27 — 35 mm long by 



3.5 — 5 mm wide 

 very slight 



8—10 mm 



in nearly the entire 



worm 

 1 — 2.5 mm long, 



0.8 — 3 mm wide 

 4 — 4.5 mm long, 



3 5 — 4.5 mm wide 

 an increase in length 



with slight increase 



in breadth 



unusually small 



segmented 



0,0045 mm 



delicate 



continue from one pro- 

 glottid to the next 



sparse, measure up to 

 0.011 mm 



divide, passing both 

 dorsal and ventral to 

 genital ducts 



present 



0.089—0.096 mm 



0.045 mm 



0.31 mm 



0.05—0.08 mm 



0.45—0.6 mm 



0.135 mm long by 

 0.078 mm thick 



doubtfui, at least mo- 

 ditied 



greatly moditied an- 

 terior to recepta- 

 culum and provided 

 with sphincter 

 muscles 



lobes kidney shaped 



duct opens into the side 

 of the Uterus, po.s- 

 ter'or end of Uterus 

 lies against shell 

 glaud 



