uiÖ Diesing-. 



E partitione sponlanea iinimalculi singuli nunc simiillanea , nunc succe- 

 danea binaria et qniitcrnaria proics 16 prodeunt. 



Gonium lit-lveticuni Fertjj : Kleinste Lebensf. 84 et 178. Tab. XI. 6. 



A—D. 

 Gonium pectorale Ehrenherg : in Ber. Verhandl. Akad. Berlin ( 1853) 321 



(•.idvpi-saria \n Perly). — Fresenius: in Abh. Senckenb. Gesellscli. 



II. 191— 19ö. Tab. VIH. 9-16 (et de natura vofrefahili et vesic. 



eontraet.). 



Habi taculum. In palntlosis prope AiTtinopoliii, Februario — 

 Octob, prae.sei'tim vere (Perty), 



Genus insufficieuter cognitum: 



LXVII. TRO( HOGONIÜM EHRENBERG. 



Animalcula 6 — 21, aimulatim in .synoeeesio tabulari aggregata. 

 Flagella duo. 



I. Trochogoiiiiim Rotula EHRENBERG: 



in Gp,sellseli. naturf. Freunde. Berlin 24. April 1846. et in Haude und 

 Spcner'sclie Zeitung 28. April 1846. — Confer et Colin: in Zeitseh. 

 f. wissensch. Zool. IV. 87. 



H a b i t a c u I u m. Prope Bei-oliniini (E h r e n b e r g). 



Syuoecesiuui lineare. 



LXVIII. HIRMIDiUM PERTY. 



Animalcula 4 — 8, in synoeeesio gelatinoso lineari aggi'egata. 

 Corpus immutabile, subglobosum, viride, ecaudatum, band ciliatum ; 

 lacerna. . . Os terminale. Flagella duo (?) pone os. Ajius . . . Ocellus 

 nullns. Partitio spoutanea . . . Aqnarum duicinm incolae. 



I. Hirinidium Juane PERTY. 



Synoecesium cateniforme. Longit. synoece.sii ad 1/30 , animalc. 

 ad. V,«o"'- 



Hirmidium inane Perty: Kleinste Leben.sf. 178. Tab. XI. 8. 

 Habitaculum. Majo et .lunid in Helvetia (Perty). 



* * Volvocinea eaudala. 

 LXIX. UROGLENA EHRENBERG. 



Animalcula numerosa, partitione orta, in synoecesiuiu gelatino- 

 sum subglobosum, animalculoruni taciebus in peripheria prominenti- 

 bus moriforme aggregata. Corpus iniinntabile, ovato-oblongum. 



