Eacillaria.} THE INFUSORIA. 239 



x 



geniculata. Length, including stalk, l-100th to 170th. 

 Size of ova, below 1- 240th. 



355. ACINETA tuberosa (Vorticella tuberosa, M.) The 

 horned Acineta has a triangular compressed lorica, dilated 

 and truncated anteriorly, and having from two to three 

 obtuse knobs or horns, the lateral ones tentaculated, the 

 pedicle simple and slender. Size 1-2 10th to 1- 100th. 



356. ACINETA my stacina (Vorticella, Shrank). The long- 

 bearded Acineta is subglobose, obtusely horned, with two 

 elongated fasciculi of tentacules, and a slender pedicle, as 

 seen in fig. 205. Found upon Oedogonium. Length of 

 whole body l-860th to l-120th. 



