262 Transactions of the Societij. 



HETEEOTRICHA. 



Family Stentoeina Stein. 



Genus Stentor Oken. 



Stentor sp. 



Specimens belonging to Stentor sp. were once found in a pond 

 near Chhota Ravi river, but the specimens were not identified. 



Family Halterina C]. & Laclim. 



Genus Halteria. Duj. 



Halteria grandinella 0. F. Miill. 



Found in water in a pond in Lawrence Gardens in the month 

 of August. The specimens exhibited the usual movements so 

 characteristic of the species, Form somewhat spherical, with a 

 small triangular depression at the anterior end, with a small 

 number (six or seven) of stiff cilia at the anterior end, and a few 

 slender bristles from the central region of the body. Macronucleus 

 kidney-shaped. Contractile vacuole in the anterior half of the 

 body. Size about 25 yit. 



HYPOTRICHA. 



Family Pleurotkichina Biitschli. 

 Genus Plenrotriclia Stein. 

 Pleurotricha graMciis Stein. 

 In infusion of dry leaves. Size 84 yu, by 42 fi. 



Family Aspidiscina Ehrbg. 



Genus Aspidisca Ehrbg. 



Aspidisca costata Duj. 



In large numbers in water from drain near a water-tap in the 

 laboratory compound. Body very small, possessing six deep canals 

 on the dorsal surface. 



