ÜBERSICHT DER GATTUNG OOCYSTIS. 195 



„Cell, rotundae, 10 — 11 u latae, utroque polo tuber culatae." 

 In Tirol gefunden. 



2. Oocyst is mammillata Turner. 



Freshwater Algæ of East India. Pag. 155 Tab. XXI, Fig. 14. 

 Tabula nostra VI, Fig. 92. 



„0 subcircularis, paulo longior quam lata, apicibus 

 paulo depresses : apice in centro rotundata vel distincte 

 mammillata; divisio verticalis; a vertice visa perfecte 

 circularise 



Long. 18 (i : lat. 15,2 fx. 



In Süsswasser in Indien gefunden. 



3. Oocystis brunnéa Turner, 



Freshwater Algae of East India. Pag. 155. Tab. XXI, Fig. 7. 

 Tabula nostra VI, Fig. 93. 



„Cell with pale brown mucous contents, of an oblong form, 

 contained in a proper membrane, having 2 orbicular cells 

 placed in the direction of its long axis, which nearly fill 

 up the intire lenght, and are pressed closely together at 

 the centre. These cells appear filled wiht perfectly clear 

 colourless fluid or mucus, and have at their inner margins 

 each a reddish-brown granular nucleus. Outer cell mem- 

 brane punctated." 



Long. 38, lat. 37 u. 



In Süsswasser in Indien gefunden. 



4. Oocystis sphaerica, Turner. 

 Freshwater Algæ of East India. Pag. 155. 



„Cellulae hyalince globosae, interne familias 2 — 8 cellu- 

 larum ellipticarum includentes. Cellulae juveniles forma 

 irregulariter siib-spliaericae. u 



