134 DESCRIPTION OF [Polygastrica. 



92. VIBRIO lineola. The line Vibrio. Cluster, a minute 

 cylindrical and slightly flexible wand, rounded at both 

 ends, and made up of bodies somewhat indistinct, but of 

 nearly a globular form, and colourless. Commonly found 

 in vegetable infusions, especially round the stalks of 

 flowers in glasses. Length of wand, from 1 -3600th to 

 l-12000th. Thickness l-36000th. 



93. VIBRIO tremulans. The tremulous Vibrio. Wand 

 short ; stouter, yet more flexible, than the preceding ; arti- 

 culations of an oblong form, but not distinct. Found in 

 water emitting a disagreeable odour. Length of wand, 

 l-3600th. 



94. VIBRIO subtilis. The delicately -formed Vibrio. 

 Wand slender and elongated ; colourless ; articulations 

 distinct; motion slightly vibrating, without varying the 

 direct position of the articulations. Length 1-45 Oth. 

 Thickness l-24000th. 



95. VIBRIO rugula (Volvox lunula et Vibrio regula,M.) 

 The wrinkled Vibrio. Wand elongated, and stouter than the 

 preceding; articulations distinct, and colourless; motion 

 brisk and serpentine; common in infusions. Length 

 l-580th. Thickness l-12000th. 



96. VIBRIO prolifer. The prolific Vibrio. Wand short, 

 stout, and colourless ; articulations distinct. Motion slow 

 and tortuous. Found in infusions where mildew is pre- 

 sent. Length 1-1 100th. 



97. VIBRIO barillas, (M.) The wand-like Vibrio. 

 Wand stout, elongated and transparent ; articulations 

 sometimes distinct, at others only so when taken from 

 the water and dried; motion serpentine, but straight 

 when quiescent. Group 59, represents three wand -like 



