itECENT RESEARCHES tNTO THE HiSTOitV Ot BACTeRU. 2*5 

 SCHIZOPHYT^. 



Tribe I. — GloeogerKB. 



Cells free, or united by intercellular substance into cell- 

 families. 



A. — Cells free, or united in twos or fours : 



Cells rounded Chroococcus, Naeg. 



Cells cylindrical Si/?iechococcus, 'Naeg. 



13. — Cells united into an amorphous gelatinous family in their resting stage. 



a.— The cell-membranes confluent with the intercellular substance. 

 I. — Cells very small, and without phycochrora : 



Ceils rounded Micrococcus, Hall, emend. 



Cells cylindrical Bacterium, Duj. 



II. —Cells larger, with pliycochrom : 



Cells rounded Aphanocapsa, Naeg. 



Cells cylindrical Jpha7iothece, Naeg. 



j8. — Intercellular substance formed by the cell-membranes running into 

 one another. 



Cells rounded ...... Glceocapsa, Kg. Naeg. 



Cells cylindrical Glceothece, Naeg. 



C. — Cells united into a gelatinous family, of well-defined form. 

 a. — Cell-families in one layer : 



I. — Cells arranged in fours, in one plane, Meris7nopedia, Meyen. . 

 II. — Cells in no order, arranged on the surface of a sphere. 

 Cells rounded ; the families form 7 /i; J 7 j- -a e 

 nets by fission ...... j Clathrocystts, Henfr. 



Cells cylindrical and wedge- "^ 



shaped ; the families divide > Coc.losphcerium, Naeg. 

 by the appearance of furrows j 



3. — Cell-families in several layers, united into spheroidal cell-bodies c,-- 



I. — Cells definite in number. 



Cells rounded ; colourless : in ") „ . n ^ j 

 /■ ' ' > Sarcma, Goods. 



Cells cylindrical and wedge- "S 



shaped, in no order, with > Ooniphosphariay Kg. 

 phycochrora . . . . .) 

 II. — Cells indefinite in number, but that very large. 



Cells colourless, very small . . Ascococcus, Billr. emend. 



iPolycystis, Kg. 

 Coccochloris, Spr. 

 Folycoccus, Kg. et al. 



