82 



THE M I C R O S C P I S T. 



CLASS I. POLYGASTRICA. 



(with the cilii-wreath divided into( M 1n _; / , oto j TT^ati . 

 several series. \ lloricated, Hydatmea 



Polytrocha. ^loricated, Luchlanidota. 



(Sortl^cha ) \ With tbe dl iwo r s e e a ries diVided Int ^ "l^icated, Philodinaea. 

 rit : s - ^loricated, Brachionaea. 



