Revision der Cephalocotyleen. Abtheilung: Cyclocotyleen. 423 



21. Caput retr actum. Blastocystis depressa oblooga, trans- 

 verse rugosa. Longit. 1 — 3''', latit. '/ 3 — l / a '". 

 Piestocystis Leporis Diesing: Syst. Helm. I. 495. 



Habitacul um. In Leporis variabilis et L. timidi meseiiterio. 



22. Cysticercus cucouicrinus SPENCER COBBOLD: 

 In Transact. Linn. Soc. XXII. 166. 



Habitacul um. Lepus Cuniculus ferus: in hepate, in folliculis 

 globosis, 1"' diametri. 



Statu perfecto Taenia cueumerina, teste cl. Spencer Cobbold. 



23. Cysticercus dubius OTTO. 



Creplin: in Trosch. Arch. 1849. I. 58 (solum nomen). — Dies.: in Sitzb. 

 XIII. 1854, 601. 



Habita c ulum. Pedetes caffer (capensis). . . (Otto). 



24. Cysticercus Physeteris DEDELL BENNETT: 

 In Proceed. Zool. Soc. London. 1837, 39. April. 



Cysticercus Balaenae Mysticeti (erronee) Dies. Syst. Helm. I. 493. 



H a b i t a c u 1 u m. Physeter macroeephalus (D e b e 1 1 B o n n e 1 1) , 



ß. Blastocystis larvas numerosas producens. — Caput larvae armatum. 



25. Caput prominentia brevi, uncinulis 32 in coronain duplicem 

 dispositis armata, acetabulis quatuor circularibus. Collum capite 

 longius. Blastocystis illorum in cavo tlioracis lectorum saltem irre- 

 gulariter multiloba. Longit. . . 



Coenurus Spencer Cobbold: in Transact. Linn. Soc. XXII. 365. Tab. LXIH 



12—15. 

 Coenurus Lemuris Spencer Cobbold: in Proceed. Zool. Soc. London. 



1861, 120. 



Habitacul um. Lemur Muco: in individui, solummodo 4 

 inenses in Europa viventis, hepate et cavo thoracis, ad pleuram, 

 blastocystidis lobis passim stylis brevibus pleurae adnatis, copiose, 

 Januario, Londini (Cobbold). 



26. Caput tetragonum, prominentia uncinulorum coronula sim- 

 plici cineta, acetabulis quatuor angularibus circularibus. Collum 

 longitudine fere capitis, retrorsum attenuatum. Blastocystis sub- 



29* 



