456 Monadineae, Vampyrellece, Vampyrella. 



Clavis analytica speciSrum. 



A. Amcebaj parietem cellulse matricis perloraiites. 

 a. Pseudopodia tiliformia. 



-|- Zoocystte sessiles. 

 V. Spiroijxjrm. Parasitica in Spirorj<jra. 

 V. Gomphonemads. In Gomphonemale parasitica. 

 V. variabilis. In pluribus Conferois. 

 V. multiformis. In Desmidiaceis et iii Chlamydomonade. 



-]"|- Amoibse pediceilatse. 

 y. pcndula. in GiJdogonio, Bidbochmle et Confervis. 



aa. Pseudopodium elatum, non fliirorme. 

 y. pedata. In (Edogonio. 



B. Amoebae cellulam matricis non perforantes. 



V. polyblasta. Pseudopodia elongata; zoocystse sessiles. 



V. Euglente. Pseudopodia elongata; zoocyst» papillatae (pedicellata), 



V. Kleinii. Pseudopodia pauca, brevia. 



1. Vampyrella SpirogyraB Cienk. Beitr. Kenntn. Mon. p. 218, fig. 44- | 

 56, Klein in Bot. Cent. 1882, pag. 250, tab. I, fig. 1-33, Zopf 

 Pilzth. p. 104. — Amoebis actinophrysoideis, pseudopodiis nume- 

 rosis, acuminatis granulos motiles continentibus praeditis; zoocy- 

 stis sessilibus, membrana simplici, globosis vel ellipsoideis rarius, 

 irregularibus, 60 ij.. diam.; sporocystis e protoplasmatis divisioni- 

 bus 2-pluribus formatis. 



Hab. tantum in Spirogyra in Germania. 



2. Vampyrella Gomphonematis Haeckel I^iol. Stud. p. 103, tab. VI, i 

 lig. 1-4, Klein in Bot. Centr. 1882, p. 255, Zopf Piizth. p. 108. 

 Amoebis actinophrysoideis, pseudopodiis tenuibus acutis, granulis 

 mobilibus praeditis; zoocystis globosis, 60-70 a. diam., sessilibus. 

 merabrana simplici. 



Hab. in BaciUariis et pr^cipue in Gomphonemate d(- 

 vastato in Germania. — Inter yampyrellcc species ob proto- 

 plasnia in quatuor partes inter se ob mutuam pressionem tetra- 

 ha'drico rolundatas divisum distincta. 



3. Vampyrella variabilis Klein in Bot. Centr. 1882, p. 182, tab. I. ' 

 fig. 1-33, Zopf Pilztli. p. 105. — Amo)bis actinophrysoides, pse 

 dopodiis granulis mobilibus destitutis, minutis plerumque 12 o.. 

 long., elongatis, irregulariter angulosis, raro spha:roideis; zoocv- 

 stis sessilibus, membrana simplici, forma variis globosis, 16-28 >i. 

 diam., ellipsoideis, 32-60 et usque 90 a. longis; plasmate colore 

 latoritio, tenui-punctulato farctis; sporocystis membrana crassa mi- 

 luilo tuberculoso-punctala obsitis, 12-28 y. diam. 



