Hydatinaea.'] THE INFUSORIA. 365 



anteriorly; toes styliform, unequal, and two to four times 

 longer than the body ; it is active, and frequently leaps, 

 being assisted by its long claws, which resemble tails. 

 Fig. 421 is a full-grown specimen. Entire length l-60th. 



612. NOTOMMATA acqualis (Vorticella longiseta, M.) The 

 stilt-tailed Notommata. Body cylindrical, obtuse in front; 

 toes styliform, equal the length of the body. Length 

 l-120th. 



(b). Sub-genus CLENODON. Jaws many-toothed. 



613. NOTOMMATA clavulata. The club-bearing Notom- 

 mata. Body bell-shaped, foot conical, very short; pan- 

 creatic glands of a club-shape. This creature presents 

 great facility for observing its internal structure, but the 

 limits to which I am restricted preclude my entering 

 into its interesting details. Length l-96th. 



614. NOTOMMATA tuba. The trumpet Notommata. 

 Body conical, trumpet-shaped, dilated anteriorly; foot 

 furcated and acute. It resembles, in form, Stentor Mulleri, 

 but is more active. Length l-120th. 



615. NOTOMMATA brachionus. The stipitiform Notom- 

 mata. Body dilated, nearly square, depressed, foot slen- 

 der; eggs pendulous. This creature appears to have a 

 shell, but Dr. E. says it has not : N. granularis, as before 

 remarked, lays its eggs upon it. Length l-96th. 



616. NOTOMMATA tripus. The three-footed Notommata. 

 Body oval, sub-truncated, and slightly auricled in front; 

 it has a short styliform true tail, and forked foot. Length 

 1 -200th. 



617. NOTOMMATA saccigera. The purse Notommata. 



