in der Naturgesch. d. Protozoen in den Jahren 1882 u.1883. 8;^> 



11. Farn. Polytoniida ,,anim. symmetrica], freeswimming er 



temporarily adherent, illoricate, but with a more 

 indurated raembraniform cuticular envelope; flagella 

 terminal, two, ef equal size ; no distiuct oral aperture ; 

 multiplying by endogenous subdivision,,. 

 l.Gren. Polytoma Ehr. 1 sp. 



12. Farn. Psendosporidae gegründet auf: 

 I.Gen. Pseudospora Cienk. 1 sp. 



C. Pantostomata-Polymastiga (three or more flagella). 



13. Farn. Spumellidae gegründet auf: 

 I.Gen. Spumella Cienk. mit 2 sp. 



14. Farn. Trimastigidae „animaicules naked, freeswimming 



or temporarily adherent; flagella three, equal or sub- 

 equal, inserted close to one another; no distinct oral 

 aperture". 

 I.Gen. Callodictyon Cart. 1 sp. 



2. „ Trichomonas Donne 3 sp. 



3. „ Dallingeria n. gen. Drysdali n. sp. 



4. „ Trimastix n. gen. marina n. sp. 



15. Farn. Tetraraitidae „animalcules naked, entirely free- 



swimming ; flagella usually four, rarely five ; inserted 

 close to one another, near the centre of the antei*. 

 border; no distinct oral aperture". 



1. Gen. Tetramitus Perty 3 sp. 



2. „ Tetraselmis Stein 1 sp. 



3. „ Chlor aste r Ehrb. 2 sp. u. agilis neu. 



16. Fam. Hexamitidae ,, naked, freeswimming or temporarily 



adherent, six flagella, no dist. oral apert.". 

 1. Gen. Hexamita Duj. 4 sp. 



17. Fam. Lophomonadidae gegründet auf: 

 I.Gen. Lophoraonas Stein mit 2 sp. 



18. Fam. Catallactidae gegründet auf: 

 1. Gen. Magosphaera Haeckel I sp. 



Choauo-Flagellata. 



Sect. I. Discostomata-Gymnozoida: Collared monad's free- 

 swimming or sedentary, loricate or illoricate, solitary or 

 colonially associated, never in the latter instance com- 

 pletely immersed or hidden with in special Chambers in 

 a common gelatinous matrix or cytoblastema, but cither 

 entirely naked or with their distal regions freely exposed 

 to the surrounding water. 

 1. Fam. Codonisigidae „animalcules freeswimming or attached, 

 solitary or socially united, entirely naked, secreting 



F* 



