98 One Thousand Objects 



INFUSORIA are such a large and heterogeneous group, 

 that we can only indicate some of the most common. 



771. FLAT MONAS (Monaslens), Rounded or flattened, 

 with an apparently tuberculated surface and a long slender 

 vibratile filament. Common in infusions. The most 

 minute member of the animal kingdom. (PI. X., 

 fig. 27.) 



772. RED ASTASIA (Astasla hamatodes). Body spindle- 

 shaped ; tail very short. At first green ; ultimately reddish 

 In stagnant water. (PI. X., fig. 26.) 



773. GREEN EUGLENA (Englena viridis}. Body spindle- 

 shaped, retractile ; head short. Filament twice the 

 length of the body, delicate. Colour green, with a red 

 eye-spot. In stagnant water. (PI. X., fig. u.) 



774. THE AMCEBA (Amoeba diffluens). Colourless. 

 Form constantly varying; sometimes globose, at others 

 elongated, or with finger-like processes. Common amongst 

 duckweed. 



775. PEAR-SHAPED DIFFLUGIA (Difflugia pyriformis). 

 Pear-shaped, granular, and dark coloured. Processes 

 colourless. Amongst stagnant water. (PI. X., fig. 28.) 



776. COMMON OPHRYDIUM (Ophrydium versatile). 

 Body spindle-shaped, tapering in one direction, and in 

 the other contracted into a cylindrical neck with a funnel- 

 shaped head and a ciliated disc. In salt or fresh water. 



(PI. X., fig. 22.) 



777. OVATE OPHRYOGLEN A (Ophryoglena acuminata). 

 Ovate, brown, and compressed. Tail short. Eye-spot red. 

 Cilia numerous, in regular longitudinal rows. In peaty 

 swamps and turf hollows. (PI. X., fig. 8.) 



778. EICHHORN'S ACTINOPHRYS (Actinophrys Etch- 

 hornit). Globose, white. Tentacles distributed freely 

 over the body, and tapering. Shorter than the diameter of 

 the body. Amongst aquatic plants. (PL X., fig. 9.) 



779. The SUN ACTINOPHRYS (Actinophrys sol). Glo- 

 bose, greyish. Tentacles diverging from every part of the 

 surface, and tapering. Equal in length to the diameter of 

 the body. Amongst Confervae. 



780. COMMON PARAMECIUM (Paramecium aurelid). 



