Bull U. S. F. C 189^. (To face page 492.) 



Plate XX. 



"^r^ 



233 



228. Cestode larva from inte-itiiK' of Derditfrnitt lunrnrrldis: ii to d, j 

 sket('lie<l from life; c. ulcoholic. Tiiese dilVert'iit forms were i 

 assumed by the larva in rapid siwces-^iou, and by such con- i 

 Inictions ]) progressive movement was effected. 

 The top of the lisrnrc in e;ich ca-se is the anterior end. 



•J..l\i. Blastocysl in cyst from body cavity of Chtpaiharnif/us. J!lii/iir/nt- 

 linfhriiini sp. X '10, ' , 



-':ti). Larval eestode from a s(|Uid ( hifh/o prti/ii) in stomach of f.'i/tnt- 

 sn'oii rtyitli": life. < (l-^. 



At the ba>e of each pctal-b'ke bolliriuni then- is a short conical j 

 process, sharp ami hooklike, but of dense strUited stnuanri, like ; 



the liook>i of Th'jKiiiniCijthnUiin. Besiile caeli of these i»r(iee>;se'* 

 there is a eircuhir organ like an auxiliary acelabulum, not .seen 

 in the living; specimen, but visible when" mounted in glycerine. 



2:U. Pht/lhthfttltn'ititi sfi. from intestine of Mrrliirrfits hiUnrnris; life. 

 - 1. 



2:V2. Head, much cn];irgcd. ni. My/fubvnchus. 



'2:V.\. Scoh-x <>f a cc^todf, wbicli is proliably a new geiUH, from iiiic*;- 



tinc •^iL<>i>h<>/»filiisrh<ii, 

 2;i4. Front view of .sjiine. 70. ISc. 



2:15. OntsKiihofli rill in larhi hiln in Li ii 1 



Abnormal .segment of yonni; stn 



//).''.■ alcoholic. . .')(). 

 also Jigs. 2:i(w23^'. ( 

 m. from Oirclmrids lilh, 

 bile. .< .^. 



