Revision der Rhyngodeen. ( 3 3 



Habitaculum. Polydesmus virginiensis : in intestinis, Pliila- 

 delphiae (Leidy). 



Individua solitaria (Leidy). 



31. (22****.) Gregarina Passali cornuti LEIDY. 

 Receptaculum hemisphaericum. Corpus flaccidum, statu turgido 



subglobosum. Longit. total, corp. expans. x l\"\ crassit. i / !l '" ; Iongit. 

 recept. Vis'": crassit. ad basin x /%\". 



Gregarina Passali cornuti Leidy: in Trans. Am. Phil. Soe. 2. ser. X. 



238. Tab. XI. 30 (animalcula sub conjugatione). 31. (animalculum 



singulum cum striis longitudinalibus corporis) et in Proceed. Acad. 



Philad. VIII. 47. 



Habitaculum Passalus cornutus: in proventriculo, Pbiladel- 



phiae (Leidy). 



Animalcula utplurimum in conjugatione observata (Leidy). 



32. (19.) Gregarina Mortisagae DIESING. — Syst. Helm. II. 12. 



33. (24.) Gregarina tenuis FRANTZIUS. — Syst. Helm. II. 13. adde: 

 Animalcula in conjugatione observata. 



34. (27.) Gregarina elongata FRANTZIUS. — Syst. Helm. II. 13. et 

 553. adde: 



Individua adulta solitaria ac in conjugatione versantia , individua juvenilia 

 solitaria, nee non receptaculum navicellarum sunt observata (Frantzius). 



35. (25.) Gregarina polymorpha FRANTZIUS. — Syst. Helm. II. 

 13. et 553. adde: 



Gregarina polymorpha Frantzius Observ. de Greg. 9. 26. Fig. V. 2. 

 5(?). 6—1*0. - Idem in Wiegmann's Arch. 1848. 1. 193 et 194. 

 Tab. VII. Fig. V. 2. ä(?). 6—10. — Stein: in Müller's Arch. 1848. 

 216—222 (de evolut.) Tab. IX. 24-27 et 28—32 (cystides et 

 navicellae). — ldem: in V. Carus Icon. Zootom. Tab. I. 6 — 9, 10"' \ 

 (Müller's Arch. 1848). 

 Habitaculo adde : Tenebrio molitor : in intestino et inter 

 exerementa (Stein). 



Individua adulta solum in conjugatione, juvenilia solitaria nee non navi- 

 cellarum reeeptacula sunt visa (Frantzius). 



36. (26.) Gregarina euneata STEIN. — Syst. Helm. II. 13. et 553. 

 adde: 



Gregarina polymorpha Frantzius Observ. 26 (partim). Fig. V. (solum 1.) 

 Individua solum sub conjugatione cognita (Frantzius et Stein). 



37. (31.) Gregarina oblongata FRANTZIUS. — Syst. Helm. II. 14. 

 adde: 



Individua nonnisi solitaria (Hammerschmidt) 



