in der Naturgfscb. d. Protozoen in den Jahren 1882 ii. 1883. 81 



ray-like pseudopodia projecting from all parts of the 

 periphery, supplimented at one point by a long or- 

 bratile flagellum. 



I.Gen. Actinomonas n. gen. mit mirabilis und pusilla 

 n. n. sp. sp. 



2. Fani. Eucbitonidae n. fani. Anim. free-floating, secreting 

 a variously constructed cancellate sijiceous te.st er 

 lorica, which is distingurshed by the invariable presence 

 of a central diiferentiated capsule; ray-like pseudo- 

 podia extending from all parts of the periphery, 

 supplemented anteriorly by a eomparatively large and 

 well-developed flagellate appendage ; entirely pelagic. 

 l.Gren. Euchitonia Haeck. 1 sp. 



2. ., Spongocycla H. 1 sp. 



3. „ Spongasteriscus H. 1 sp. 



IV. Flagellata-Pautostomata : „Animalcules simply flagelliferous, 

 having in their characteristic aduet State no supplemeutary 

 lobate or ray - like pseudopodic appendages ; oral or ingestive 

 area entirely undefined, food-substances being incepted in- 

 differently at all points of the periphery". 



A. Pantostomata-Monomastiga (one flagellum only). 



1. Fam. Monadidae Ehrb. 



l.Gren. Monas Müll, mit 26 sp., davon 1 (Dcälingeri) neu; 

 20 zweifelhafte Arten. 



2. „ Scytomonas St. 1 sp. 



3. „ Cyathomonas De From, 8 sp. 



4. „ iep^omonas 1 sp. n. (Bütschlii). 



5. „ Ophidomonas Ehr, 2 sp. 



6. „ Herpetomonas 2 sp. davon 1 [Leioisi] neu. 



7. „ Ancyromonas mit siymoides n, sp. 



2. Fam. Pleuro monadidae Anim. naked or illoricate, en- 



tirely freeswimming, flagellum single, lateral or ven- 

 tral; no distinct oral aperture, 



I.Gen, Pleuromonas Perty 1 sp, 



2. „ Merotricha Mereschk. 1 sp. 



3 Fam. Cercomonadidae naked, freeswimming or adherent, 



provided with a permanent or temporarily developed 



caudal filament; vibratile flagellum single, terminal; 



no distinct oral apei'ture". 



I.Gen. Oikomonas mit 6sp., davon neu: mutabilis, 



obliquum, rostratum u. quadratum. 



2. „ Bodo Ehrb. mit 11 sp. 



3. „ Cercomonas Duj. 6 sp., davon neu tyincus. 



Arch. f. Naturgftsch. 51. Jahrg. II. Bd. 3. H. ^ 



